7150040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4157}}^1$

素因数の和:4211

約数の個数: 32

約数和(自身を含む): 16465680

約数和(自身を除く): 9315640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4157, 8314, 16628, 20785, 33256, 41570, 83140, 166280, 178751, 357502, 715004, 893755, 1430008, 1787510, 3575020, 7150040]

約数ペア:

[(1, 7150040), (2, 3575020), (4, 1787510), (5, 1430008), (8, 893755), (10, 715004), (20, 357502), (40, 178751), (43, 166280), (86, 83140), (172, 41570), (215, 33256), (344, 20785), (430, 16628), (860, 8314), (1720, 4157)]