42487240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4133}}^1$

素因数の和:4401

約数の個数: 32

約数和(自身を含む): 95991480

約数和(自身を除く): 53504240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 4133, 5140, 8266, 10280, 16532, 20665, 33064, 41330, 82660, 165320, 1062181, 2124362, 4248724, 5310905, 8497448, 10621810, 21243620, 42487240]

約数ペア:

[(1, 42487240), (2, 21243620), (4, 10621810), (5, 8497448), (8, 5310905), (10, 4248724), (20, 2124362), (40, 1062181), (257, 165320), (514, 82660), (1028, 41330), (1285, 33064), (2056, 20665), (2570, 16532), (4133, 10280), (5140, 8266)]