80525240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46817}}^1$

素因数の和:46871

約数の個数: 32

約数和(自身を含む): 185399280

約数和(自身を除く): 104874040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 46817, 93634, 187268, 234085, 374536, 468170, 936340, 1872680, 2013131, 4026262, 8052524, 10065655, 16105048, 20131310, 40262620, 80525240]

約数ペア:

[(1, 80525240), (2, 40262620), (4, 20131310), (5, 16105048), (8, 10065655), (10, 8052524), (20, 4026262), (40, 2013131), (43, 1872680), (86, 936340), (172, 468170), (215, 374536), (344, 234085), (430, 187268), (860, 93634), (1720, 46817)]