2052500

素因数分解:

$2^2\times 5^4\times {\mathrm{821}}^1$

素因数の和:845

約数の個数: 30

約数和(自身を含む): 4493874

約数和(自身を除く): 2441374

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 821, 1250, 1642, 2500, 3284, 4105, 8210, 16420, 20525, 41050, 82100, 102625, 205250, 410500, 513125, 1026250, 2052500]

約数ペア:

[(1, 2052500), (2, 1026250), (4, 513125), (5, 410500), (10, 205250), (20, 102625), (25, 82100), (50, 41050), (100, 20525), (125, 16420), (250, 8210), (500, 4105), (625, 3284), (821, 2500), (1250, 1642)]