42090725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 55887048

約数和(自身を除く): 13796323

約数列:

[1, 5, 17, 25, 85, 97, 425, 485, 1021, 1649, 2425, 5105, 8245, 17357, 25525, 41225, 86785, 99037, 433925, 495185, 1683629, 2475925, 8418145, 42090725]

約数ペア:

[(1, 42090725), (5, 8418145), (17, 2475925), (25, 1683629), (85, 495185), (97, 433925), (425, 99037), (485, 86785), (1021, 41225), (1649, 25525), (2425, 17357), (5105, 8245)]