7640680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2851}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 17454240

約数和(自身を除く): 9813560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 2851, 5702, 11404, 14255, 22808, 28510, 57020, 114040, 191017, 382034, 764068, 955085, 1528136, 1910170, 3820340, 7640680]

約数ペア:

[(1, 7640680), (2, 3820340), (4, 1910170), (5, 1528136), (8, 955085), (10, 764068), (20, 382034), (40, 191017), (67, 114040), (134, 57020), (268, 28510), (335, 22808), (536, 14255), (670, 11404), (1340, 5702), (2680, 2851)]