39778520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6101}}^1$

素因数の和:6275

約数の個数: 32

約数和(自身を含む): 90065520

約数和(自身を除く): 50287000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6101, 6520, 12202, 24404, 30505, 48808, 61010, 122020, 244040, 994463, 1988926, 3977852, 4972315, 7955704, 9944630, 19889260, 39778520]

約数ペア:

[(1, 39778520), (2, 19889260), (4, 9944630), (5, 7955704), (8, 4972315), (10, 3977852), (20, 1988926), (40, 994463), (163, 244040), (326, 122020), (652, 61010), (815, 48808), (1304, 30505), (1630, 24404), (3260, 12202), (6101, 6520)]