42009175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 57683064

約数和(自身を除く): 15673889

約数列:

[1, 5, 13, 25, 61, 65, 163, 169, 305, 325, 793, 815, 845, 1525, 2119, 3965, 4075, 4225, 9943, 10309, 10595, 19825, 27547, 49715, 51545, 52975, 129259, 137735, 248575, 257725, 646295, 688675, 1680367, 3231475, 8401835, 42009175]

約数ペア:

[(1, 42009175), (5, 8401835), (13, 3231475), (25, 1680367), (61, 688675), (65, 646295), (163, 257725), (169, 248575), (305, 137735), (325, 129259), (793, 52975), (815, 51545), (845, 49715), (1525, 27547), (2119, 19825), (3965, 10595), (4075, 10309), (4225, 9943)]