2520625

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 20

約数和(自身を含む): 3264580

約数和(自身を除く): 743955

約数列:

[1, 5, 25, 37, 109, 125, 185, 545, 625, 925, 2725, 4033, 4625, 13625, 20165, 23125, 68125, 100825, 504125, 2520625]

約数ペア:

[(1, 2520625), (5, 504125), (25, 100825), (37, 68125), (109, 23125), (125, 20165), (185, 13625), (545, 4625), (625, 4033), (925, 2725)]