42957340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52387}}^1$

素因数の和:52437

約数の個数: 24

約数和(自身を含む): 92412432

約数和(自身を除く): 49455092

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 52387, 104774, 209548, 261935, 523870, 1047740, 2147867, 4295734, 8591468, 10739335, 21478670, 42957340]

約数ペア:

[(1, 42957340), (2, 21478670), (4, 10739335), (5, 8591468), (10, 4295734), (20, 2147867), (41, 1047740), (82, 523870), (164, 261935), (205, 209548), (410, 104774), (820, 52387)]