26661620

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2969}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 56133000

約数和(自身を除く): 29471380

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2969, 4490, 5938, 8980, 11876, 14845, 29690, 59380, 1333081, 2666162, 5332324, 6665405, 13330810, 26661620]

約数ペア:

[(1, 26661620), (2, 13330810), (4, 6665405), (5, 5332324), (10, 2666162), (20, 1333081), (449, 59380), (898, 29690), (1796, 14845), (2245, 11876), (2969, 8980), (4490, 5938)]