79947320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 187751520

約数和(自身を除く): 107804200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 877, 1060, 1720, 1754, 2120, 2279, 3508, 4385, 4558, 7016, 8770, 9116, 11395, 17540, 18232, 22790, 35080, 37711, 45580, 46481, 75422, 91160, 92962, 150844, 185924, 188555, 232405, 301688, 371848, 377110, 464810, 754220, 929620, 1508440, 1859240, 1998683, 3997366, 7994732, 9993415, 15989464, 19986830, 39973660, 79947320]

約数ペア:

[(1, 79947320), (2, 39973660), (4, 19986830), (5, 15989464), (8, 9993415), (10, 7994732), (20, 3997366), (40, 1998683), (43, 1859240), (53, 1508440), (86, 929620), (106, 754220), (172, 464810), (212, 377110), (215, 371848), (265, 301688), (344, 232405), (424, 188555), (430, 185924), (530, 150844), (860, 92962), (877, 91160), (1060, 75422), (1720, 46481), (1754, 45580), (2120, 37711), (2279, 35080), (3508, 22790), (4385, 18232), (4558, 17540), (7016, 11395), (8770, 9116)]