9929910140

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{767381}}^1$

素因数の和:768037

約数の個数: 24

約数和(自身を含む): 20885068512

約数和(自身を除く): 10955158372

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 767381, 1534762, 3069524, 3836905, 7673810, 15347620, 496495507, 992991014, 1985982028, 2482477535, 4964955070, 9929910140]

約数ペア:

[(1, 9929910140), (2, 4964955070), (4, 2482477535), (5, 1985982028), (10, 992991014), (20, 496495507), (647, 15347620), (1294, 7673810), (2588, 3836905), (3235, 3069524), (6470, 1534762), (12940, 767381)]