51728780

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7411}}^1$

素因数の和:7769

約数の個数: 24

約数和(自身を含む): 108956400

約数和(自身を除く): 57227620

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 7411, 14822, 29644, 37055, 74110, 148220, 2586439, 5172878, 10345756, 12932195, 25864390, 51728780]

約数ペア:

[(1, 51728780), (2, 25864390), (4, 12932195), (5, 10345756), (10, 5172878), (20, 2586439), (349, 148220), (698, 74110), (1396, 37055), (1745, 29644), (3490, 14822), (6980, 7411)]