40529725

素因数分解:

$5^2\times {\mathrm{811}}^1\times {\mathrm{1999}}^1$

素因数の和:2820

約数の個数: 12

約数和(自身を含む): 50344000

約数和(自身を除く): 9814275

約数列:

[1, 5, 25, 811, 1999, 4055, 9995, 20275, 49975, 1621189, 8105945, 40529725]

約数ペア:

[(1, 40529725), (5, 8105945), (25, 1621189), (811, 49975), (1999, 20275), (4055, 9995)]