28879580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{859}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 62234760

約数和(自身を除く): 33355180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 859, 1681, 1718, 3362, 3436, 4295, 6724, 8405, 8590, 16810, 17180, 33620, 35219, 70438, 140876, 176095, 352190, 704380, 1443979, 2887958, 5775916, 7219895, 14439790, 28879580]

約数ペア:

[(1, 28879580), (2, 14439790), (4, 7219895), (5, 5775916), (10, 2887958), (20, 1443979), (41, 704380), (82, 352190), (164, 176095), (205, 140876), (410, 70438), (820, 35219), (859, 33620), (1681, 17180), (1718, 16810), (3362, 8590), (3436, 8405), (4295, 6724)]