55825180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 65255780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 467, 556, 695, 860, 934, 1390, 1868, 2335, 2780, 4670, 5977, 9340, 11954, 20081, 23908, 29885, 40162, 59770, 64913, 80324, 100405, 119540, 129826, 200810, 259652, 324565, 401620, 649130, 1298260, 2791259, 5582518, 11165036, 13956295, 27912590, 55825180]

約数ペア:

[(1, 55825180), (2, 27912590), (4, 13956295), (5, 11165036), (10, 5582518), (20, 2791259), (43, 1298260), (86, 649130), (139, 401620), (172, 324565), (215, 259652), (278, 200810), (430, 129826), (467, 119540), (556, 100405), (695, 80324), (860, 64913), (934, 59770), (1390, 40162), (1868, 29885), (2335, 23908), (2780, 20081), (4670, 11954), (5977, 9340)]