31604140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36749}}^1$

素因数の和:36801

約数の個数: 24

約数和(自身を含む): 67914000

約数和(自身を除く): 36309860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 36749, 73498, 146996, 183745, 367490, 734980, 1580207, 3160414, 6320828, 7901035, 15802070, 31604140]

約数ペア:

[(1, 31604140), (2, 15802070), (4, 7901035), (5, 6320828), (10, 3160414), (20, 1580207), (43, 734980), (86, 367490), (172, 183745), (215, 146996), (430, 73498), (860, 36749)]