67989820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109661}}^1$

素因数の和:109701

約数の個数: 24

約数和(自身を含む): 147385728

約数和(自身を除く): 79395908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 109661, 219322, 438644, 548305, 1096610, 2193220, 3399491, 6798982, 13597964, 16997455, 33994910, 67989820]

約数ペア:

[(1, 67989820), (2, 33994910), (4, 16997455), (5, 13597964), (10, 6798982), (20, 3399491), (31, 2193220), (62, 1096610), (124, 548305), (155, 438644), (310, 219322), (620, 109661)]