66628340

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{5981}}^1$

素因数の和:6547

約数の個数: 24

約数和(自身を含む): 140194152

約数和(自身を除く): 73565812

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 5981, 11140, 11962, 23924, 29905, 59810, 119620, 3331417, 6662834, 13325668, 16657085, 33314170, 66628340]

約数ペア:

[(1, 66628340), (2, 33314170), (4, 16657085), (5, 13325668), (10, 6662834), (20, 3331417), (557, 119620), (1114, 59810), (2228, 29905), (2785, 23924), (5570, 11962), (5981, 11140)]