25994800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4999}}^1$

素因数の和:5030

約数の個数: 60

約数和(自身を含む): 67270000

約数和(自身を除く): 41275200

約数列:

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

約数ペア:

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