51278680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{11981}}^1$

素因数の和:12099

約数の個数: 32

約数和(自身を含む): 116465040

約数和(自身を除く): 65186360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 11981, 23962, 47924, 59905, 95848, 119810, 239620, 479240, 1281967, 2563934, 5127868, 6409835, 10255736, 12819670, 25639340, 51278680]

約数ペア:

[(1, 51278680), (2, 25639340), (4, 12819670), (5, 10255736), (8, 6409835), (10, 5127868), (20, 2563934), (40, 1281967), (107, 479240), (214, 239620), (428, 119810), (535, 95848), (856, 59905), (1070, 47924), (2140, 23962), (4280, 11981)]