64755940

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{8543}}^1$

素因数の和:8931

約数の個数: 24

約数和(自身を含む): 136362240

約数和(自身を除く): 71606300

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 8543, 17086, 34172, 42715, 85430, 170860, 3237797, 6475594, 12951188, 16188985, 32377970, 64755940]

約数ペア:

[(1, 64755940), (2, 32377970), (4, 16188985), (5, 12951188), (10, 6475594), (20, 3237797), (379, 170860), (758, 85430), (1516, 42715), (1895, 34172), (3790, 17086), (7580, 8543)]