82971880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14923}}^1$

素因数の和:15073

約数の個数: 32

約数和(自身を含む): 188042400

約数和(自身を除く): 105070520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 14923, 29846, 59692, 74615, 119384, 149230, 298460, 596920, 2074297, 4148594, 8297188, 10371485, 16594376, 20742970, 41485940, 82971880]

約数ペア:

[(1, 82971880), (2, 41485940), (4, 20742970), (5, 16594376), (8, 10371485), (10, 8297188), (20, 4148594), (40, 2074297), (139, 596920), (278, 298460), (556, 149230), (695, 119384), (1112, 74615), (1390, 59692), (2780, 29846), (5560, 14923)]