66086420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106591}}^1$

素因数の和:106631

約数の個数: 24

約数和(自身を含む): 143259648

約数和(自身を除く): 77173228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 106591, 213182, 426364, 532955, 1065910, 2131820, 3304321, 6608642, 13217284, 16521605, 33043210, 66086420]

約数ペア:

[(1, 66086420), (2, 33043210), (4, 16521605), (5, 13217284), (10, 6608642), (20, 3304321), (31, 2131820), (62, 1065910), (124, 532955), (155, 426364), (310, 213182), (620, 106591)]