82860280

素因数分解:

$2^3\times 5^1\times {\mathrm{2071507}}^1$

素因数の和:2071518

約数の個数: 16

約数和(自身を含む): 186435720

約数和(自身を除く): 103575440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2071507, 4143014, 8286028, 10357535, 16572056, 20715070, 41430140, 82860280]

約数ペア:

[(1, 82860280), (2, 41430140), (4, 20715070), (5, 16572056), (8, 10357535), (10, 8286028), (20, 4143014), (40, 2071507)]