4081250

素因数分解:

$2^1\times 5^5\times {\mathrm{653}}^1$

素因数の和:680

約数の個数: 24

約数和(自身を含む): 7663572

約数和(自身を除く): 3582322

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 653, 1250, 1306, 3125, 3265, 6250, 6530, 16325, 32650, 81625, 163250, 408125, 816250, 2040625, 4081250]

約数ペア:

[(1, 4081250), (2, 2040625), (5, 816250), (10, 408125), (25, 163250), (50, 81625), (125, 32650), (250, 16325), (625, 6530), (653, 6250), (1250, 3265), (1306, 3125)]