31142500

素因数分解:

$2^2\times 5^4\times {\mathrm{12457}}^1$

素因数の和:12481

約数の個数: 30

約数和(自身を含む): 68107886

約数和(自身を除く): 36965386

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 12457, 24914, 49828, 62285, 124570, 249140, 311425, 622850, 1245700, 1557125, 3114250, 6228500, 7785625, 15571250, 31142500]

約数ペア:

[(1, 31142500), (2, 15571250), (4, 7785625), (5, 6228500), (10, 3114250), (20, 1557125), (25, 1245700), (50, 622850), (100, 311425), (125, 249140), (250, 124570), (500, 62285), (625, 49828), (1250, 24914), (2500, 12457)]