2155125520

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{1129}}^1$

素因数の和:1472

約数の個数: 80

約数和(自身を含む): 5084674560

約数和(自身を除く): 2929549040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 223, 428, 446, 535, 856, 892, 1070, 1115, 1129, 1712, 1784, 2140, 2230, 2258, 3568, 4280, 4460, 4516, 5645, 8560, 8920, 9032, 11290, 17840, 18064, 22580, 23861, 45160, 47722, 90320, 95444, 119305, 120803, 190888, 238610, 241606, 251767, 381776, 477220, 483212, 503534, 604015, 954440, 966424, 1007068, 1208030, 1258835, 1908880, 1932848, 2014136, 2416060, 2517670, 4028272, 4832120, 5035340, 9664240, 10070680, 20141360, 26939069, 53878138, 107756276, 134695345, 215512552, 269390690, 431025104, 538781380, 1077562760, 2155125520]

約数ペア:

[(1, 2155125520), (2, 1077562760), (4, 538781380), (5, 431025104), (8, 269390690), (10, 215512552), (16, 134695345), (20, 107756276), (40, 53878138), (80, 26939069), (107, 20141360), (214, 10070680), (223, 9664240), (428, 5035340), (446, 4832120), (535, 4028272), (856, 2517670), (892, 2416060), (1070, 2014136), (1115, 1932848), (1129, 1908880), (1712, 1258835), (1784, 1208030), (2140, 1007068), (2230, 966424), (2258, 954440), (3568, 604015), (4280, 503534), (4460, 483212), (4516, 477220), (5645, 381776), (8560, 251767), (8920, 241606), (9032, 238610), (11290, 190888), (17840, 120803), (18064, 119305), (22580, 95444), (23861, 90320), (45160, 47722)]