4232420

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 8926848

約数和(自身を除く): 4694428

約数列:

[1, 2, 4, 5, 10, 20, 431, 491, 862, 982, 1724, 1964, 2155, 2455, 4310, 4910, 8620, 9820, 211621, 423242, 846484, 1058105, 2116210, 4232420]

約数ペア:

[(1, 4232420), (2, 2116210), (4, 1058105), (5, 846484), (10, 423242), (20, 211621), (431, 9820), (491, 8620), (862, 4910), (982, 4310), (1724, 2455), (1964, 2155)]