77394280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19157}}^1$

素因数の和:19269

約数の個数: 32

約数和(自身を含む): 175870440

約数和(自身を除く): 98476160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 19157, 38314, 76628, 95785, 153256, 191570, 383140, 766280, 1934857, 3869714, 7739428, 9674285, 15478856, 19348570, 38697140, 77394280]

約数ペア:

[(1, 77394280), (2, 38697140), (4, 19348570), (5, 15478856), (8, 9674285), (10, 7739428), (20, 3869714), (40, 1934857), (101, 766280), (202, 383140), (404, 191570), (505, 153256), (808, 95785), (1010, 76628), (2020, 38314), (4040, 19157)]