2780455940

素因数分解:

$2^2\times 5^1\times {\mathrm{17341}}^1\times {\mathrm{8017}}^1$

素因数の和:25367

約数の個数: 24

約数和(自身を含む): 5840022552

約数和(自身を除く): 3059566612

約数列:

[1, 2, 4, 5, 10, 20, 8017, 16034, 17341, 32068, 34682, 40085, 69364, 80170, 86705, 160340, 173410, 346820, 139022797, 278045594, 556091188, 695113985, 1390227970, 2780455940]

約数ペア:

[(1, 2780455940), (2, 1390227970), (4, 695113985), (5, 556091188), (10, 278045594), (20, 139022797), (8017, 346820), (16034, 173410), (17341, 160340), (32068, 86705), (34682, 80170), (40085, 69364)]