55644440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17609}}^1$

素因数の和:17699

約数の個数: 32

約数和(自身を含む): 126792000

約数和(自身を除く): 71147560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17609, 35218, 70436, 88045, 140872, 176090, 352180, 704360, 1391111, 2782222, 5564444, 6955555, 11128888, 13911110, 27822220, 55644440]

約数ペア:

[(1, 55644440), (2, 27822220), (4, 13911110), (5, 11128888), (8, 6955555), (10, 5564444), (20, 2782222), (40, 1391111), (79, 704360), (158, 352180), (316, 176090), (395, 140872), (632, 88045), (790, 70436), (1580, 35218), (3160, 17609)]