12457000

素因数分解:

$2^3\times 5^3\times {\mathrm{12457}}^1$

素因数の和:12478

約数の個数: 32

約数和(自身を含む): 29151720

約数和(自身を除く): 16694720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 12457, 24914, 49828, 62285, 99656, 124570, 249140, 311425, 498280, 622850, 1245700, 1557125, 2491400, 3114250, 6228500, 12457000]

約数ペア:

[(1, 12457000), (2, 6228500), (4, 3114250), (5, 2491400), (8, 1557125), (10, 1245700), (20, 622850), (25, 498280), (40, 311425), (50, 249140), (100, 124570), (125, 99656), (200, 62285), (250, 49828), (500, 24914), (1000, 12457)]