12669520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 31426560

約数和(自身を除く): 18757040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 127, 145, 172, 215, 232, 254, 290, 344, 430, 464, 508, 580, 635, 688, 860, 1016, 1160, 1247, 1270, 1720, 2032, 2320, 2494, 2540, 3440, 3683, 4988, 5080, 5461, 6235, 7366, 9976, 10160, 10922, 12470, 14732, 18415, 19952, 21844, 24940, 27305, 29464, 36830, 43688, 49880, 54610, 58928, 73660, 87376, 99760, 109220, 147320, 158369, 218440, 294640, 316738, 436880, 633476, 791845, 1266952, 1583690, 2533904, 3167380, 6334760, 12669520]

約数ペア:

[(1, 12669520), (2, 6334760), (4, 3167380), (5, 2533904), (8, 1583690), (10, 1266952), (16, 791845), (20, 633476), (29, 436880), (40, 316738), (43, 294640), (58, 218440), (80, 158369), (86, 147320), (116, 109220), (127, 99760), (145, 87376), (172, 73660), (215, 58928), (232, 54610), (254, 49880), (290, 43688), (344, 36830), (430, 29464), (464, 27305), (508, 24940), (580, 21844), (635, 19952), (688, 18415), (860, 14732), (1016, 12470), (1160, 10922), (1247, 10160), (1270, 9976), (1720, 7366), (2032, 6235), (2320, 5461), (2494, 5080), (2540, 4988), (3440, 3683)]