128241080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{291457}}^1$

素因数の和:291479

約数の個数: 32

約数和(自身を含む): 314774640

約数和(自身を除く): 186533560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 291457, 582914, 1165828, 1457285, 2331656, 2914570, 3206027, 5829140, 6412054, 11658280, 12824108, 16030135, 25648216, 32060270, 64120540, 128241080]

約数ペア:

[(1, 128241080), (2, 64120540), (4, 32060270), (5, 25648216), (8, 16030135), (10, 12824108), (11, 11658280), (20, 6412054), (22, 5829140), (40, 3206027), (44, 2914570), (55, 2331656), (88, 1457285), (110, 1165828), (220, 582914), (440, 291457)]