64806740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104527}}^1$

素因数の和:104567

約数の個数: 24

約数和(自身を含む): 140485632

約数和(自身を除く): 75678892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 104527, 209054, 418108, 522635, 1045270, 2090540, 3240337, 6480674, 12961348, 16201685, 32403370, 64806740]

約数ペア:

[(1, 64806740), (2, 32403370), (4, 16201685), (5, 12961348), (10, 6480674), (20, 3240337), (31, 2090540), (62, 1045270), (124, 522635), (155, 418108), (310, 209054), (620, 104527)]