128480980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{14057}}^1$

素因数の和:14523

約数の個数: 24

約数和(自身を含む): 270419688

約数和(自身を除く): 141938708

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 14057, 28114, 56228, 70285, 140570, 281140, 6424049, 12848098, 25696196, 32120245, 64240490, 128480980]

約数ペア:

[(1, 128480980), (2, 64240490), (4, 32120245), (5, 25696196), (10, 12848098), (20, 6424049), (457, 281140), (914, 140570), (1828, 70285), (2285, 56228), (4570, 28114), (9140, 14057)]