138767920

素因数分解:

$2^4\times 5^1\times {\mathrm{1734599}}^1$

素因数の和:1734612

約数の個数: 20

約数和(自身を含む): 322635600

約数和(自身を除く): 183867680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1734599, 3469198, 6938396, 8672995, 13876792, 17345990, 27753584, 34691980, 69383960, 138767920]

約数ペア:

[(1, 138767920), (2, 69383960), (4, 34691980), (5, 27753584), (8, 17345990), (10, 13876792), (16, 8672995), (20, 6938396), (40, 3469198), (80, 1734599)]