26187580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 57445920

約数和(自身を除く): 31258340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 277, 290, 326, 554, 580, 652, 815, 1108, 1385, 1630, 2770, 3260, 4727, 5540, 8033, 9454, 16066, 18908, 23635, 32132, 40165, 45151, 47270, 80330, 90302, 94540, 160660, 180604, 225755, 451510, 903020, 1309379, 2618758, 5237516, 6546895, 13093790, 26187580]

約数ペア:

[(1, 26187580), (2, 13093790), (4, 6546895), (5, 5237516), (10, 2618758), (20, 1309379), (29, 903020), (58, 451510), (116, 225755), (145, 180604), (163, 160660), (277, 94540), (290, 90302), (326, 80330), (554, 47270), (580, 45151), (652, 40165), (815, 32132), (1108, 23635), (1385, 18908), (1630, 16066), (2770, 9454), (3260, 8033), (4727, 5540)]