39937960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6701}}^1$

素因数の和:6861

約数の個数: 32

約数和(自身を含む): 90477000

約数和(自身を除く): 50539040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 6701, 13402, 26804, 33505, 53608, 67010, 134020, 268040, 998449, 1996898, 3993796, 4992245, 7987592, 9984490, 19968980, 39937960]

約数ペア:

[(1, 39937960), (2, 19968980), (4, 9984490), (5, 7987592), (8, 4992245), (10, 3993796), (20, 1996898), (40, 998449), (149, 268040), (298, 134020), (596, 67010), (745, 53608), (1192, 33505), (1490, 26804), (2980, 13402), (5960, 6701)]