55761580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20963}}^1$

素因数の和:20998

約数の個数: 48

約数和(自身を含む): 140878080

約数和(自身を除く): 85116500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20963, 41926, 83852, 104815, 146741, 209630, 293482, 398297, 419260, 586964, 733705, 796594, 1467410, 1593188, 1991485, 2788079, 2934820, 3982970, 5576158, 7965940, 11152316, 13940395, 27880790, 55761580]

約数ペア:

[(1, 55761580), (2, 27880790), (4, 13940395), (5, 11152316), (7, 7965940), (10, 5576158), (14, 3982970), (19, 2934820), (20, 2788079), (28, 1991485), (35, 1593188), (38, 1467410), (70, 796594), (76, 733705), (95, 586964), (133, 419260), (140, 398297), (190, 293482), (266, 209630), (380, 146741), (532, 104815), (665, 83852), (1330, 41926), (2660, 20963)]