68740940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26237}}^1$

素因数の和:26377

約数の個数: 24

約数和(自身を含む): 145463472

約数和(自身を除く): 76722532

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26237, 52474, 104948, 131185, 262370, 524740, 3437047, 6874094, 13748188, 17185235, 34370470, 68740940]

約数ペア:

[(1, 68740940), (2, 34370470), (4, 17185235), (5, 13748188), (10, 6874094), (20, 3437047), (131, 524740), (262, 262370), (524, 131185), (655, 104948), (1310, 52474), (2620, 26237)]