26976875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{2539}}^1$

素因数の和:2576

約数の個数: 20

約数和(自身を含む): 35707320

約数和(自身を除く): 8730445

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 2539, 10625, 12695, 43163, 63475, 215815, 317375, 1079075, 1586875, 5395375, 26976875]

約数ペア:

[(1, 26976875), (5, 5395375), (17, 1586875), (25, 1079075), (85, 317375), (125, 215815), (425, 63475), (625, 43163), (2125, 12695), (2539, 10625)]