2280821960

素因数分解:

$2^3\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{20879}}^1$

素因数の和:23621

約数の個数: 32

約数和(自身を含む): 5133974400

約数和(自身を除く): 2853152440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2731, 5462, 10924, 13655, 20879, 21848, 27310, 41758, 54620, 83516, 104395, 109240, 167032, 208790, 417580, 835160, 57020549, 114041098, 228082196, 285102745, 456164392, 570205490, 1140410980, 2280821960]

約数ペア:

[(1, 2280821960), (2, 1140410980), (4, 570205490), (5, 456164392), (8, 285102745), (10, 228082196), (20, 114041098), (40, 57020549), (2731, 835160), (5462, 417580), (10924, 208790), (13655, 167032), (20879, 109240), (21848, 104395), (27310, 83516), (41758, 54620)]