6280000

素因数分解:

$2^6\times 5^4\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 70

約数和(自身を含む): 15671546

約数和(自身を除く): 9391546

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, 625, 628, 785, 800, 1000, 1250, 1256, 1570, 1600, 2000, 2500, 2512, 3140, 3925, 4000, 5000, 5024, 6280, 7850, 8000, 10000, 10048, 12560, 15700, 19625, 20000, 25120, 31400, 39250, 40000, 50240, 62800, 78500, 98125, 125600, 157000, 196250, 251200, 314000, 392500, 628000, 785000, 1256000, 1570000, 3140000, 6280000]

約数ペア:

[(1, 6280000), (2, 3140000), (4, 1570000), (5, 1256000), (8, 785000), (10, 628000), (16, 392500), (20, 314000), (25, 251200), (32, 196250), (40, 157000), (50, 125600), (64, 98125), (80, 78500), (100, 62800), (125, 50240), (157, 40000), (160, 39250), (200, 31400), (250, 25120), (314, 20000), (320, 19625), (400, 15700), (500, 12560), (625, 10048), (628, 10000), (785, 8000), (800, 7850), (1000, 6280), (1250, 5024), (1256, 5000), (1570, 4000), (1600, 3925), (2000, 3140), (2500, 2512)]