2494375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:340

約数の個数: 20

約数和(自身を含む): 3367672

約数和(自身を除く): 873297

約数列:

[1, 5, 13, 25, 65, 125, 307, 325, 625, 1535, 1625, 3991, 7675, 8125, 19955, 38375, 99775, 191875, 498875, 2494375]

約数ペア:

[(1, 2494375), (5, 498875), (13, 191875), (25, 99775), (65, 38375), (125, 19955), (307, 8125), (325, 7675), (625, 3991), (1535, 1625)]