28425160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3571}}^1$

素因数の和:3781

約数の個数: 32

約数和(自身を含む): 64296000

約数和(自身を除く): 35870840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3571, 3980, 7142, 7960, 14284, 17855, 28568, 35710, 71420, 142840, 710629, 1421258, 2842516, 3553145, 5685032, 7106290, 14212580, 28425160]

約数ペア:

[(1, 28425160), (2, 14212580), (4, 7106290), (5, 5685032), (8, 3553145), (10, 2842516), (20, 1421258), (40, 710629), (199, 142840), (398, 71420), (796, 35710), (995, 28568), (1592, 17855), (1990, 14284), (3571, 7960), (3980, 7142)]