25037960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4201}}^1$

素因数の和:4361

約数の個数: 32

約数和(自身を含む): 56727000

約数和(自身を除く): 31689040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4201, 5960, 8402, 16804, 21005, 33608, 42010, 84020, 168040, 625949, 1251898, 2503796, 3129745, 5007592, 6259490, 12518980, 25037960]

約数ペア:

[(1, 25037960), (2, 12518980), (4, 6259490), (5, 5007592), (8, 3129745), (10, 2503796), (20, 1251898), (40, 625949), (149, 168040), (298, 84020), (596, 42010), (745, 33608), (1192, 21005), (1490, 16804), (2980, 8402), (4201, 5960)]