80049560

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1709}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 180370800

約数和(自身を除く): 100321240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 1709, 2342, 3418, 4684, 5855, 6836, 8545, 9368, 11710, 13672, 17090, 23420, 34180, 46840, 68360, 2001239, 4002478, 8004956, 10006195, 16009912, 20012390, 40024780, 80049560]

約数ペア:

[(1, 80049560), (2, 40024780), (4, 20012390), (5, 16009912), (8, 10006195), (10, 8004956), (20, 4002478), (40, 2001239), (1171, 68360), (1709, 46840), (2342, 34180), (3418, 23420), (4684, 17090), (5855, 13672), (6836, 11710), (8545, 9368)]