2541203620

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{156671}}^1$

素因数の和:157491

約数の個数: 24

約数和(自身を含む): 5343141888

約数和(自身を除く): 2801938268

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 16220, 156671, 313342, 626684, 783355, 1566710, 3133420, 127060181, 254120362, 508240724, 635300905, 1270601810, 2541203620]

約数ペア:

[(1, 2541203620), (2, 1270601810), (4, 635300905), (5, 508240724), (10, 254120362), (20, 127060181), (811, 3133420), (1622, 1566710), (3244, 783355), (4055, 626684), (8110, 313342), (16220, 156671)]