1256000

素因数分解:

$2^6\times 5^3\times {\mathrm{157}}^1$

素因数の和:184

約数の個数: 56

約数和(自身を含む): 3130296

約数和(自身を除く): 1874296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 157, 160, 200, 250, 314, 320, 400, 500, 628, 785, 800, 1000, 1256, 1570, 1600, 2000, 2512, 3140, 3925, 4000, 5024, 6280, 7850, 8000, 10048, 12560, 15700, 19625, 25120, 31400, 39250, 50240, 62800, 78500, 125600, 157000, 251200, 314000, 628000, 1256000]

約数ペア:

[(1, 1256000), (2, 628000), (4, 314000), (5, 251200), (8, 157000), (10, 125600), (16, 78500), (20, 62800), (25, 50240), (32, 39250), (40, 31400), (50, 25120), (64, 19625), (80, 15700), (100, 12560), (125, 10048), (157, 8000), (160, 7850), (200, 6280), (250, 5024), (314, 4000), (320, 3925), (400, 3140), (500, 2512), (628, 2000), (785, 1600), (800, 1570), (1000, 1256)]