42574375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{4007}}^1$

素因数の和:4044

約数の個数: 20

約数和(自身を含む): 56344464

約数和(自身を除く): 13770089

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 4007, 10625, 20035, 68119, 100175, 340595, 500875, 1702975, 2504375, 8514875, 42574375]

約数ペア:

[(1, 42574375), (5, 8514875), (17, 2504375), (25, 1702975), (85, 500875), (125, 340595), (425, 100175), (625, 68119), (2125, 20035), (4007, 10625)]