39885940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 90256320

約数和(自身を除く): 50370380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 2441, 3268, 4085, 4882, 8170, 9764, 12205, 16340, 24410, 46379, 48820, 92758, 104963, 185516, 209926, 231895, 419852, 463790, 524815, 927580, 1049630, 1994297, 2099260, 3988594, 7977188, 9971485, 19942970, 39885940]

約数ペア:

[(1, 39885940), (2, 19942970), (4, 9971485), (5, 7977188), (10, 3988594), (19, 2099260), (20, 1994297), (38, 1049630), (43, 927580), (76, 524815), (86, 463790), (95, 419852), (172, 231895), (190, 209926), (215, 185516), (380, 104963), (430, 92758), (817, 48820), (860, 46379), (1634, 24410), (2441, 16340), (3268, 12205), (4085, 9764), (4882, 8170)]