12819160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 30650400

約数和(自身を除く): 17831240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 257, 290, 344, 430, 514, 580, 860, 1028, 1160, 1247, 1285, 1720, 2056, 2494, 2570, 4988, 5140, 6235, 7453, 9976, 10280, 11051, 12470, 14906, 22102, 24940, 29812, 37265, 44204, 49880, 55255, 59624, 74530, 88408, 110510, 149060, 221020, 298120, 320479, 442040, 640958, 1281916, 1602395, 2563832, 3204790, 6409580, 12819160]

約数ペア:

[(1, 12819160), (2, 6409580), (4, 3204790), (5, 2563832), (8, 1602395), (10, 1281916), (20, 640958), (29, 442040), (40, 320479), (43, 298120), (58, 221020), (86, 149060), (116, 110510), (145, 88408), (172, 74530), (215, 59624), (232, 55255), (257, 49880), (290, 44204), (344, 37265), (430, 29812), (514, 24940), (580, 22102), (860, 14906), (1028, 12470), (1160, 11051), (1247, 10280), (1285, 9976), (1720, 7453), (2056, 6235), (2494, 5140), (2570, 4988)]