4157680

素因数分解:

$2^4\times 5^1\times {\mathrm{51971}}^1$

素因数の和:51984

約数の個数: 20

約数和(自身を含む): 9666792

約数和(自身を除く): 5509112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51971, 103942, 207884, 259855, 415768, 519710, 831536, 1039420, 2078840, 4157680]

約数ペア:

[(1, 4157680), (2, 2078840), (4, 1039420), (5, 831536), (8, 519710), (10, 415768), (16, 259855), (20, 207884), (40, 103942), (80, 51971)]