8628440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 19602000

約数和(自身を除く): 10973560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1979, 2180, 3958, 4360, 7916, 9895, 15832, 19790, 39580, 79160, 215711, 431422, 862844, 1078555, 1725688, 2157110, 4314220, 8628440]

約数ペア:

[(1, 8628440), (2, 4314220), (4, 2157110), (5, 1725688), (8, 1078555), (10, 862844), (20, 431422), (40, 215711), (109, 79160), (218, 39580), (436, 19790), (545, 15832), (872, 9895), (1090, 7916), (1979, 4360), (2180, 3958)]