3520625

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 20

約数和(自身を含む): 4536048

約数和(自身を除く): 1015423

約数列:

[1, 5, 25, 43, 125, 131, 215, 625, 655, 1075, 3275, 5375, 5633, 16375, 26875, 28165, 81875, 140825, 704125, 3520625]

約数ペア:

[(1, 3520625), (5, 704125), (25, 140825), (43, 81875), (125, 28165), (131, 26875), (215, 16375), (625, 5633), (655, 5375), (1075, 3275)]