172877680

素因数分解:

$2^4\times 5^1\times {\mathrm{2160971}}^1$

素因数の和:2160984

約数の個数: 20

約数和(自身を含む): 401940792

約数和(自身を除く): 229063112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2160971, 4321942, 8643884, 10804855, 17287768, 21609710, 34575536, 43219420, 86438840, 172877680]

約数ペア:

[(1, 172877680), (2, 86438840), (4, 43219420), (5, 34575536), (8, 21609710), (10, 17287768), (16, 10804855), (20, 8643884), (40, 4321942), (80, 2160971)]