25980625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{3779}}^1$

素因数の和:3810

約数の個数: 20

約数和(自身を含む): 35426160

約数和(自身を除く): 9445535

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 3779, 6875, 18895, 41569, 94475, 207845, 472375, 1039225, 2361875, 5196125, 25980625]

約数ペア:

[(1, 25980625), (5, 5196125), (11, 2361875), (25, 1039225), (55, 472375), (125, 207845), (275, 94475), (625, 41569), (1375, 18895), (3779, 6875)]