853508720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5279}}^1$

素因数の和:5382

約数の個数: 80

約数和(自身を含む): 2074152960

約数和(自身を除く): 1220644240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 688, 752, 860, 940, 1720, 1880, 2021, 3440, 3760, 4042, 5279, 8084, 10105, 10558, 16168, 20210, 21116, 26395, 32336, 40420, 42232, 52790, 80840, 84464, 105580, 161680, 211160, 226997, 248113, 422320, 453994, 496226, 907988, 992452, 1134985, 1240565, 1815976, 1984904, 2269970, 2481130, 3631952, 3969808, 4539940, 4962260, 9079880, 9924520, 10668859, 18159760, 19849040, 21337718, 42675436, 53344295, 85350872, 106688590, 170701744, 213377180, 426754360, 853508720]

約数ペア:

[(1, 853508720), (2, 426754360), (4, 213377180), (5, 170701744), (8, 106688590), (10, 85350872), (16, 53344295), (20, 42675436), (40, 21337718), (43, 19849040), (47, 18159760), (80, 10668859), (86, 9924520), (94, 9079880), (172, 4962260), (188, 4539940), (215, 3969808), (235, 3631952), (344, 2481130), (376, 2269970), (430, 1984904), (470, 1815976), (688, 1240565), (752, 1134985), (860, 992452), (940, 907988), (1720, 496226), (1880, 453994), (2021, 422320), (3440, 248113), (3760, 226997), (4042, 211160), (5279, 161680), (8084, 105580), (10105, 84464), (10558, 80840), (16168, 52790), (20210, 42232), (21116, 40420), (26395, 32336)]