118406377240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{68840917}}^1$

素因数の和:68840971

約数の個数: 32

約数和(自身を含む): 272610035280

約数和(自身を除く): 154203658040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 68840917, 137681834, 275363668, 344204585, 550727336, 688409170, 1376818340, 2753636680, 2960159431, 5920318862, 11840637724, 14800797155, 23681275448, 29601594310, 59203188620, 118406377240]

約数ペア:

[(1, 118406377240), (2, 59203188620), (4, 29601594310), (5, 23681275448), (8, 14800797155), (10, 11840637724), (20, 5920318862), (40, 2960159431), (43, 2753636680), (86, 1376818340), (172, 688409170), (215, 550727336), (344, 344204585), (430, 275363668), (860, 137681834), (1720, 68840917)]