89426620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{22469}}^1$

素因数の和:22677

約数の個数: 24

約数和(自身を含む): 188748000

約数和(自身を除く): 99321380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 22469, 44938, 89876, 112345, 224690, 449380, 4471331, 8942662, 17885324, 22356655, 44713310, 89426620]

約数ペア:

[(1, 89426620), (2, 44713310), (4, 22356655), (5, 17885324), (10, 8942662), (20, 4471331), (199, 449380), (398, 224690), (796, 112345), (995, 89876), (1990, 44938), (3980, 22469)]