28250306720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1\times {\mathrm{1423}}^1$

素因数の和:2542

約数の個数: 96

約数和(自身を含む): 67383042048

約数和(自身を除く): 39132735328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 977, 1016, 1270, 1423, 1954, 2032, 2540, 2846, 3908, 4064, 4885, 5080, 5692, 7115, 7816, 9770, 10160, 11384, 14230, 15632, 19540, 20320, 22768, 28460, 31264, 39080, 45536, 56920, 78160, 113840, 124079, 156320, 180721, 227680, 248158, 361442, 496316, 620395, 722884, 903605, 992632, 1240790, 1390271, 1445768, 1807210, 1985264, 2481580, 2780542, 2891536, 3614420, 3970528, 4963160, 5561084, 5783072, 6951355, 7228840, 9926320, 11122168, 13902710, 14457680, 19852640, 22244336, 27805420, 28915360, 44488672, 55610840, 111221680, 176564417, 222443360, 353128834, 706257668, 882822085, 1412515336, 1765644170, 2825030672, 3531288340, 5650061344, 7062576680, 14125153360, 28250306720]

約数ペア:

[(1, 28250306720), (2, 14125153360), (4, 7062576680), (5, 5650061344), (8, 3531288340), (10, 2825030672), (16, 1765644170), (20, 1412515336), (32, 882822085), (40, 706257668), (80, 353128834), (127, 222443360), (160, 176564417), (254, 111221680), (508, 55610840), (635, 44488672), (977, 28915360), (1016, 27805420), (1270, 22244336), (1423, 19852640), (1954, 14457680), (2032, 13902710), (2540, 11122168), (2846, 9926320), (3908, 7228840), (4064, 6951355), (4885, 5783072), (5080, 5561084), (5692, 4963160), (7115, 3970528), (7816, 3614420), (9770, 2891536), (10160, 2780542), (11384, 2481580), (14230, 1985264), (15632, 1807210), (19540, 1445768), (20320, 1390271), (22768, 1240790), (28460, 992632), (31264, 903605), (39080, 722884), (45536, 620395), (56920, 496316), (78160, 361442), (113840, 248158), (124079, 227680), (156320, 180721)]