61783580

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2129}}^1$

素因数の和:3589

約数の個数: 24

約数和(自身を含む): 129895920

約数和(自身を除く): 68112340

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2129, 2902, 4258, 5804, 7255, 8516, 10645, 14510, 21290, 29020, 42580, 3089179, 6178358, 12356716, 15445895, 30891790, 61783580]

約数ペア:

[(1, 61783580), (2, 30891790), (4, 15445895), (5, 12356716), (10, 6178358), (20, 3089179), (1451, 42580), (2129, 29020), (2902, 21290), (4258, 14510), (5804, 10645), (7255, 8516)]