28726132280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1\times {\mathrm{17317}}^1$

素因数の和:17808

約数の個数: 64

約数和(自身を含む): 65387226240

約数和(自身を除く): 36661093960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 367, 452, 565, 734, 904, 1130, 1468, 1835, 2260, 2936, 3670, 4520, 7340, 14680, 17317, 34634, 41471, 69268, 82942, 86585, 138536, 165884, 173170, 207355, 331768, 346340, 414710, 692680, 829420, 1658840, 1956821, 3913642, 6355339, 7827284, 9784105, 12710678, 15654568, 19568210, 25421356, 31776695, 39136420, 50842712, 63553390, 78272840, 127106780, 254213560, 718153307, 1436306614, 2872613228, 3590766535, 5745226456, 7181533070, 14363066140, 28726132280]

約数ペア:

[(1, 28726132280), (2, 14363066140), (4, 7181533070), (5, 5745226456), (8, 3590766535), (10, 2872613228), (20, 1436306614), (40, 718153307), (113, 254213560), (226, 127106780), (367, 78272840), (452, 63553390), (565, 50842712), (734, 39136420), (904, 31776695), (1130, 25421356), (1468, 19568210), (1835, 15654568), (2260, 12710678), (2936, 9784105), (3670, 7827284), (4520, 6355339), (7340, 3913642), (14680, 1956821), (17317, 1658840), (34634, 829420), (41471, 692680), (69268, 414710), (82942, 346340), (86585, 331768), (138536, 207355), (165884, 173170)]