68372440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8101}}^1$

素因数の和:8323

約数の個数: 32

約数和(自身を含む): 154586160

約数和(自身を除く): 86213720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8101, 8440, 16202, 32404, 40505, 64808, 81010, 162020, 324040, 1709311, 3418622, 6837244, 8546555, 13674488, 17093110, 34186220, 68372440]

約数ペア:

[(1, 68372440), (2, 34186220), (4, 17093110), (5, 13674488), (8, 8546555), (10, 6837244), (20, 3418622), (40, 1709311), (211, 324040), (422, 162020), (844, 81010), (1055, 64808), (1688, 40505), (2110, 32404), (4220, 16202), (8101, 8440)]