26890175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 39497472

約数和(自身を除く): 12607297

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 157, 221, 325, 403, 425, 527, 775, 785, 1105, 2015, 2041, 2635, 2669, 3925, 4867, 5525, 6851, 10075, 10205, 13175, 13345, 24335, 34255, 34697, 51025, 63271, 66725, 82739, 121675, 171275, 173485, 316355, 413695, 867425, 1075607, 1581775, 2068475, 5378035, 26890175]

約数ペア:

[(1, 26890175), (5, 5378035), (13, 2068475), (17, 1581775), (25, 1075607), (31, 867425), (65, 413695), (85, 316355), (155, 173485), (157, 171275), (221, 121675), (325, 82739), (403, 66725), (425, 63271), (527, 51025), (775, 34697), (785, 34255), (1105, 24335), (2015, 13345), (2041, 13175), (2635, 10205), (2669, 10075), (3925, 6851), (4867, 5525)]