3968000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 88

約数和(自身を含む): 10218624

約数和(自身を除く): 6250624

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, 640, 775, 800, 992, 1000, 1024, 1240, 1280, 1550, 1600, 1984, 2000, 2480, 2560, 3100, 3200, 3875, 3968, 4000, 4960, 5120, 6200, 6400, 7750, 7936, 8000, 9920, 12400, 12800, 15500, 15872, 16000, 19840, 24800, 25600, 31000, 31744, 32000, 39680, 49600, 62000, 64000, 79360, 99200, 124000, 128000, 158720, 198400, 248000, 396800, 496000, 793600, 992000, 1984000, 3968000]

約数ペア:

[(1, 3968000), (2, 1984000), (4, 992000), (5, 793600), (8, 496000), (10, 396800), (16, 248000), (20, 198400), (25, 158720), (31, 128000), (32, 124000), (40, 99200), (50, 79360), (62, 64000), (64, 62000), (80, 49600), (100, 39680), (124, 32000), (125, 31744), (128, 31000), (155, 25600), (160, 24800), (200, 19840), (248, 16000), (250, 15872), (256, 15500), (310, 12800), (320, 12400), (400, 9920), (496, 8000), (500, 7936), (512, 7750), (620, 6400), (640, 6200), (775, 5120), (800, 4960), (992, 4000), (1000, 3968), (1024, 3875), (1240, 3200), (1280, 3100), (1550, 2560), (1600, 2480), (1984, 2000)]