8001080

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 18087840

約数和(自身を除く): 10086760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 631, 634, 1262, 1268, 1585, 2524, 2536, 3155, 3170, 5048, 6310, 6340, 12620, 12680, 25240, 200027, 400054, 800108, 1000135, 1600216, 2000270, 4000540, 8001080]

約数ペア:

[(1, 8001080), (2, 4000540), (4, 2000270), (5, 1600216), (8, 1000135), (10, 800108), (20, 400054), (40, 200027), (317, 25240), (631, 12680), (634, 12620), (1262, 6340), (1268, 6310), (1585, 5048), (2524, 3170), (2536, 3155)]