15788440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5407}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 36017280

約数和(自身を除く): 20228840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5407, 10814, 21628, 27035, 43256, 54070, 108140, 216280, 394711, 789422, 1578844, 1973555, 3157688, 3947110, 7894220, 15788440]

約数ペア:

[(1, 15788440), (2, 7894220), (4, 3947110), (5, 3157688), (8, 1973555), (10, 1578844), (20, 789422), (40, 394711), (73, 216280), (146, 108140), (292, 54070), (365, 43256), (584, 27035), (730, 21628), (1460, 10814), (2920, 5407)]