5198960

素因数分解:

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

素因数の和:5025

約数の個数: 40

約数和(自身を含む): 13020000

約数和(自身を除く): 7821040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4999, 9998, 19996, 24995, 39992, 49990, 64987, 79984, 99980, 129974, 199960, 259948, 324935, 399920, 519896, 649870, 1039792, 1299740, 2599480, 5198960]

約数ペア:

[(1, 5198960), (2, 2599480), (4, 1299740), (5, 1039792), (8, 649870), (10, 519896), (13, 399920), (16, 324935), (20, 259948), (26, 199960), (40, 129974), (52, 99980), (65, 79984), (80, 64987), (104, 49990), (130, 39992), (208, 24995), (260, 19996), (520, 9998), (1040, 4999)]