87242780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{38603}}^1$

素因数の和:38725

約数の個数: 24

約数和(自身を含む): 184835952

約数和(自身を除く): 97593172

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 38603, 77206, 154412, 193015, 386030, 772060, 4362139, 8724278, 17448556, 21810695, 43621390, 87242780]

約数ペア:

[(1, 87242780), (2, 43621390), (4, 21810695), (5, 17448556), (10, 8724278), (20, 4362139), (113, 772060), (226, 386030), (452, 193015), (565, 154412), (1130, 77206), (2260, 38603)]