61713620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28309}}^1$

素因数の和:28427

約数の個数: 24

約数和(自身を含む): 130792200

約数和(自身を除く): 69078580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 28309, 56618, 113236, 141545, 283090, 566180, 3085681, 6171362, 12342724, 15428405, 30856810, 61713620]

約数ペア:

[(1, 61713620), (2, 30856810), (4, 15428405), (5, 12342724), (10, 6171362), (20, 3085681), (109, 566180), (218, 283090), (436, 141545), (545, 113236), (1090, 56618), (2180, 28309)]