8215790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3968

約数の個数: 32

約数和(自身を含む): 16986240

約数和(自身を除く): 8770450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 3931, 7862, 19655, 39310, 43241, 74689, 86482, 149378, 216205, 373445, 432410, 746890, 821579, 1643158, 4107895, 8215790]

約数ペア:

[(1, 8215790), (2, 4107895), (5, 1643158), (10, 821579), (11, 746890), (19, 432410), (22, 373445), (38, 216205), (55, 149378), (95, 86482), (110, 74689), (190, 43241), (209, 39310), (418, 19655), (1045, 7862), (2090, 3931)]