3899240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 8981280

約数和(自身を除く): 5082040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2267, 4534, 9068, 11335, 18136, 22670, 45340, 90680, 97481, 194962, 389924, 487405, 779848, 974810, 1949620, 3899240]

約数ペア:

[(1, 3899240), (2, 1949620), (4, 974810), (5, 779848), (8, 487405), (10, 389924), (20, 194962), (40, 97481), (43, 90680), (86, 45340), (172, 22670), (215, 18136), (344, 11335), (430, 9068), (860, 4534), (1720, 2267)]