280069604020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{26878081}}^1$

素因数の和:26878611

約数の個数: 24

約数和(自身を含む): 589275069768

約数和(自身を除く): 309205465748

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 26878081, 53756162, 107512324, 134390405, 268780810, 537561620, 14003480201, 28006960402, 56013920804, 70017401005, 140034802010, 280069604020]

約数ペア:

[(1, 280069604020), (2, 140034802010), (4, 70017401005), (5, 56013920804), (10, 28006960402), (20, 14003480201), (521, 537561620), (1042, 268780810), (2084, 134390405), (2605, 107512324), (5210, 53756162), (10420, 26878081)]