61981360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{110681}}^1$

素因数の和:110701

約数の個数: 40

約数和(自身を含む): 164694816

約数和(自身を除く): 102713456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 110681, 221362, 442724, 553405, 774767, 885448, 1106810, 1549534, 1770896, 2213620, 3099068, 3873835, 4427240, 6198136, 7747670, 8854480, 12396272, 15495340, 30990680, 61981360]

約数ペア:

[(1, 61981360), (2, 30990680), (4, 15495340), (5, 12396272), (7, 8854480), (8, 7747670), (10, 6198136), (14, 4427240), (16, 3873835), (20, 3099068), (28, 2213620), (35, 1770896), (40, 1549534), (56, 1106810), (70, 885448), (80, 774767), (112, 553405), (140, 442724), (280, 221362), (560, 110681)]