40488976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 90994176

約数和(自身を除く): 50505200

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 41, 44, 62, 82, 88, 124, 164, 176, 181, 248, 328, 341, 362, 451, 496, 656, 682, 724, 902, 1271, 1364, 1448, 1804, 1991, 2542, 2728, 2896, 3608, 3982, 5084, 5456, 5611, 7216, 7421, 7964, 10168, 11222, 13981, 14842, 15928, 20336, 22444, 27962, 29684, 31856, 44888, 55924, 59368, 61721, 81631, 89776, 111848, 118736, 123442, 163262, 223696, 230051, 246884, 326524, 460102, 493768, 653048, 920204, 987536, 1306096, 1840408, 2530561, 3680816, 5061122, 10122244, 20244488, 40488976]

約数ペア:

[(1, 40488976), (2, 20244488), (4, 10122244), (8, 5061122), (11, 3680816), (16, 2530561), (22, 1840408), (31, 1306096), (41, 987536), (44, 920204), (62, 653048), (82, 493768), (88, 460102), (124, 326524), (164, 246884), (176, 230051), (181, 223696), (248, 163262), (328, 123442), (341, 118736), (362, 111848), (451, 89776), (496, 81631), (656, 61721), (682, 59368), (724, 55924), (902, 44888), (1271, 31856), (1364, 29684), (1448, 27962), (1804, 22444), (1991, 20336), (2542, 15928), (2728, 14842), (2896, 13981), (3608, 11222), (3982, 10168), (5084, 7964), (5456, 7421), (5611, 7216)]