25428500

素因数分解:

$2^2\times 5^3\times {\mathrm{50857}}^1$

素因数の和:50876

約数の個数: 24

約数和(自身を含む): 55536936

約数和(自身を除く): 30108436

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 50857, 101714, 203428, 254285, 508570, 1017140, 1271425, 2542850, 5085700, 6357125, 12714250, 25428500]

約数ペア:

[(1, 25428500), (2, 12714250), (4, 6357125), (5, 5085700), (10, 2542850), (20, 1271425), (25, 1017140), (50, 508570), (100, 254285), (125, 203428), (250, 101714), (500, 50857)]