51989600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4999}}^1$

素因数の和:5032

約数の個数: 72

約数和(自身を含む): 136710000

約数和(自身を除く): 84720400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 4999, 5200, 9998, 10400, 19996, 24995, 39992, 49990, 64987, 79984, 99980, 124975, 129974, 159968, 199960, 249950, 259948, 324935, 399920, 499900, 519896, 649870, 799840, 999800, 1039792, 1299740, 1624675, 1999600, 2079584, 2599480, 3249350, 3999200, 5198960, 6498700, 10397920, 12997400, 25994800, 51989600]

約数ペア:

[(1, 51989600), (2, 25994800), (4, 12997400), (5, 10397920), (8, 6498700), (10, 5198960), (13, 3999200), (16, 3249350), (20, 2599480), (25, 2079584), (26, 1999600), (32, 1624675), (40, 1299740), (50, 1039792), (52, 999800), (65, 799840), (80, 649870), (100, 519896), (104, 499900), (130, 399920), (160, 324935), (200, 259948), (208, 249950), (260, 199960), (325, 159968), (400, 129974), (416, 124975), (520, 99980), (650, 79984), (800, 64987), (1040, 49990), (1300, 39992), (2080, 24995), (2600, 19996), (4999, 10400), (5200, 9998)]