66207940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106787}}^1$

素因数の和:106827

約数の個数: 24

約数和(自身を含む): 143523072

約数和(自身を除く): 77315132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 106787, 213574, 427148, 533935, 1067870, 2135740, 3310397, 6620794, 13241588, 16551985, 33103970, 66207940]

約数ペア:

[(1, 66207940), (2, 33103970), (4, 16551985), (5, 13241588), (10, 6620794), (20, 3310397), (31, 2135740), (62, 1067870), (124, 533935), (155, 427148), (310, 213574), (620, 106787)]