3977510140

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{307381}}^1$

素因数の和:308037

約数の個数: 24

約数和(自身を含む): 8365708512

約数和(自身を除く): 4388198372

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 307381, 614762, 1229524, 1536905, 3073810, 6147620, 198875507, 397751014, 795502028, 994377535, 1988755070, 3977510140]

約数ペア:

[(1, 3977510140), (2, 1988755070), (4, 994377535), (5, 795502028), (10, 397751014), (20, 198875507), (647, 6147620), (1294, 3073810), (2588, 1536905), (3235, 1229524), (6470, 614762), (12940, 307381)]