31885625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{3001}}^1$

素因数の和:3038

約数の個数: 20

約数和(自身を含む): 42202116

約数和(自身を除く): 10316491

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 3001, 10625, 15005, 51017, 75025, 255085, 375125, 1275425, 1875625, 6377125, 31885625]

約数ペア:

[(1, 31885625), (5, 6377125), (17, 1875625), (25, 1275425), (85, 375125), (125, 255085), (425, 75025), (625, 51017), (2125, 15005), (3001, 10625)]