650567090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{3769}}^1$

素因数の和:4238

約数の個数: 32

約数和(自身を含む): 1202750640

約数和(自身を除く): 552183550

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 421, 842, 2105, 3769, 4210, 7538, 17261, 18845, 34522, 37690, 86305, 154529, 172610, 309058, 772645, 1545290, 1586749, 3173498, 7933745, 15867490, 65056709, 130113418, 325283545, 650567090]

約数ペア:

[(1, 650567090), (2, 325283545), (5, 130113418), (10, 65056709), (41, 15867490), (82, 7933745), (205, 3173498), (410, 1586749), (421, 1545290), (842, 772645), (2105, 309058), (3769, 172610), (4210, 154529), (7538, 86305), (17261, 37690), (18845, 34522)]