42387740

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7489}}^1$

素因数の和:7781

約数の個数: 24

約数和(自身を含む): 89340720

約数和(自身を除く): 46952980

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 7489, 14978, 29956, 37445, 74890, 149780, 2119387, 4238774, 8477548, 10596935, 21193870, 42387740]

約数ペア:

[(1, 42387740), (2, 21193870), (4, 10596935), (5, 8477548), (10, 4238774), (20, 2119387), (283, 149780), (566, 74890), (1132, 37445), (1415, 29956), (2830, 14978), (5660, 7489)]