2480000000

素因数分解:

$2^{10}\times 5^7\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 176

約数和(自身を含む): 6396858624

約数和(自身を除く): 3916858624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 625, 640, 775, 800, 992, 1000, 1024, 1240, 1250, 1280, 1550, 1600, 1984, 2000, 2480, 2500, 2560, 3100, 3125, 3200, 3875, 3968, 4000, 4960, 5000, 5120, 6200, 6250, 6400, 7750, 7936, 8000, 9920, 10000, 12400, 12500, 12800, 15500, 15625, 15872, 16000, 19375, 19840, 20000, 24800, 25000, 25600, 31000, 31250, 31744, 32000, 38750, 39680, 40000, 49600, 50000, 62000, 62500, 64000, 77500, 78125, 79360, 80000, 96875, 99200, 100000, 124000, 125000, 128000, 155000, 156250, 158720, 160000, 193750, 198400, 200000, 248000, 250000, 310000, 312500, 320000, 387500, 396800, 400000, 484375, 496000, 500000, 620000, 625000, 640000, 775000, 793600, 800000, 968750, 992000, 1000000, 1240000, 1250000, 1550000, 1600000, 1937500, 1984000, 2000000, 2421875, 2480000, 2500000, 3100000, 3200000, 3875000, 3968000, 4000000, 4843750, 4960000, 5000000, 6200000, 7750000, 8000000, 9687500, 9920000, 10000000, 12400000, 15500000, 16000000, 19375000, 19840000, 20000000, 24800000, 31000000, 38750000, 40000000, 49600000, 62000000, 77500000, 80000000, 99200000, 124000000, 155000000, 248000000, 310000000, 496000000, 620000000, 1240000000, 2480000000]

約数ペア:

[(1, 2480000000), (2, 1240000000), (4, 620000000), (5, 496000000), (8, 310000000), (10, 248000000), (16, 155000000), (20, 124000000), (25, 99200000), (31, 80000000), (32, 77500000), (40, 62000000), (50, 49600000), (62, 40000000), (64, 38750000), (80, 31000000), (100, 24800000), (124, 20000000), (125, 19840000), (128, 19375000), (155, 16000000), (160, 15500000), (200, 12400000), (248, 10000000), (250, 9920000), (256, 9687500), (310, 8000000), (320, 7750000), (400, 6200000), (496, 5000000), (500, 4960000), (512, 4843750), (620, 4000000), (625, 3968000), (640, 3875000), (775, 3200000), (800, 3100000), (992, 2500000), (1000, 2480000), (1024, 2421875), (1240, 2000000), (1250, 1984000), (1280, 1937500), (1550, 1600000), (1600, 1550000), (1984, 1250000), (2000, 1240000), (2480, 1000000), (2500, 992000), (2560, 968750), (3100, 800000), (3125, 793600), (3200, 775000), (3875, 640000), (3968, 625000), (4000, 620000), (4960, 500000), (5000, 496000), (5120, 484375), (6200, 400000), (6250, 396800), (6400, 387500), (7750, 320000), (7936, 312500), (8000, 310000), (9920, 250000), (10000, 248000), (12400, 200000), (12500, 198400), (12800, 193750), (15500, 160000), (15625, 158720), (15872, 156250), (16000, 155000), (19375, 128000), (19840, 125000), (20000, 124000), (24800, 100000), (25000, 99200), (25600, 96875), (31000, 80000), (31250, 79360), (31744, 78125), (32000, 77500), (38750, 64000), (39680, 62500), (40000, 62000), (49600, 50000)]