15872000

素因数分解:

$2^{12}\times 5^3\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 104

約数和(自身を含む): 40889472

約数和(自身を除く): 25017472

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, 2048, 2480, 2560, 3100, 3200, 3875, 3968, 4000, 4096, 4960, 5120, 6200, 6400, 7750, 7936, 8000, 9920, 10240, 12400, 12800, 15500, 15872, 16000, 19840, 20480, 24800, 25600, 31000, 31744, 32000, 39680, 49600, 51200, 62000, 63488, 64000, 79360, 99200, 102400, 124000, 126976, 128000, 158720, 198400, 248000, 256000, 317440, 396800, 496000, 512000, 634880, 793600, 992000, 1587200, 1984000, 3174400, 3968000, 7936000, 15872000]

約数ペア:

[(1, 15872000), (2, 7936000), (4, 3968000), (5, 3174400), (8, 1984000), (10, 1587200), (16, 992000), (20, 793600), (25, 634880), (31, 512000), (32, 496000), (40, 396800), (50, 317440), (62, 256000), (64, 248000), (80, 198400), (100, 158720), (124, 128000), (125, 126976), (128, 124000), (155, 102400), (160, 99200), (200, 79360), (248, 64000), (250, 63488), (256, 62000), (310, 51200), (320, 49600), (400, 39680), (496, 32000), (500, 31744), (512, 31000), (620, 25600), (640, 24800), (775, 20480), (800, 19840), (992, 16000), (1000, 15872), (1024, 15500), (1240, 12800), (1280, 12400), (1550, 10240), (1600, 9920), (1984, 8000), (2000, 7936), (2048, 7750), (2480, 6400), (2560, 6200), (3100, 5120), (3200, 4960), (3875, 4096), (3968, 4000)]