16880080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 45961344

約数和(自身を除く): 29081264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 701, 860, 1204, 1402, 1505, 1720, 2408, 2804, 3010, 3440, 3505, 4816, 4907, 5608, 6020, 7010, 9814, 11216, 12040, 14020, 19628, 24080, 24535, 28040, 30143, 39256, 49070, 56080, 60286, 78512, 98140, 120572, 150715, 196280, 211001, 241144, 301430, 392560, 422002, 482288, 602860, 844004, 1055005, 1205720, 1688008, 2110010, 2411440, 3376016, 4220020, 8440040, 16880080]

約数ペア:

[(1, 16880080), (2, 8440040), (4, 4220020), (5, 3376016), (7, 2411440), (8, 2110010), (10, 1688008), (14, 1205720), (16, 1055005), (20, 844004), (28, 602860), (35, 482288), (40, 422002), (43, 392560), (56, 301430), (70, 241144), (80, 211001), (86, 196280), (112, 150715), (140, 120572), (172, 98140), (215, 78512), (280, 60286), (301, 56080), (344, 49070), (430, 39256), (560, 30143), (602, 28040), (688, 24535), (701, 24080), (860, 19628), (1204, 14020), (1402, 12040), (1505, 11216), (1720, 9814), (2408, 7010), (2804, 6020), (3010, 5608), (3440, 4907), (3505, 4816)]