26947240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15667}}^1$

素因数の和:15721

約数の個数: 32

約数和(自身を含む): 62045280

約数和(自身を除く): 35098040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15667, 31334, 62668, 78335, 125336, 156670, 313340, 626680, 673681, 1347362, 2694724, 3368405, 5389448, 6736810, 13473620, 26947240]

約数ペア:

[(1, 26947240), (2, 13473620), (4, 6736810), (5, 5389448), (8, 3368405), (10, 2694724), (20, 1347362), (40, 673681), (43, 626680), (86, 313340), (172, 156670), (215, 125336), (344, 78335), (430, 62668), (860, 31334), (1720, 15667)]