30892760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3881}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 69876000

約数和(自身を除く): 38983240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3881, 3980, 7762, 7960, 15524, 19405, 31048, 38810, 77620, 155240, 772319, 1544638, 3089276, 3861595, 6178552, 7723190, 15446380, 30892760]

約数ペア:

[(1, 30892760), (2, 15446380), (4, 7723190), (5, 6178552), (8, 3861595), (10, 3089276), (20, 1544638), (40, 772319), (199, 155240), (398, 77620), (796, 38810), (995, 31048), (1592, 19405), (1990, 15524), (3881, 7960), (3980, 7762)]