38756920

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1721}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 87408720

約数和(自身を除く): 48651800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1721, 2252, 2815, 3442, 4504, 5630, 6884, 8605, 11260, 13768, 17210, 22520, 34420, 68840, 968923, 1937846, 3875692, 4844615, 7751384, 9689230, 19378460, 38756920]

約数ペア:

[(1, 38756920), (2, 19378460), (4, 9689230), (5, 7751384), (8, 4844615), (10, 3875692), (20, 1937846), (40, 968923), (563, 68840), (1126, 34420), (1721, 22520), (2252, 17210), (2815, 13768), (3442, 11260), (4504, 8605), (5630, 6884)]