52157680

素因数分解:

$2^4\times 5^1\times {\mathrm{651971}}^1$

素因数の和:651984

約数の個数: 20

約数和(自身を含む): 121266792

約数和(自身を除く): 69109112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 651971, 1303942, 2607884, 3259855, 5215768, 6519710, 10431536, 13039420, 26078840, 52157680]

約数ペア:

[(1, 52157680), (2, 26078840), (4, 13039420), (5, 10431536), (8, 6519710), (10, 5215768), (16, 3259855), (20, 2607884), (40, 1303942), (80, 651971)]