31623920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 78075360

約数和(自身を除く): 46451440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 317, 344, 430, 464, 580, 634, 688, 860, 1160, 1247, 1268, 1585, 1720, 2320, 2494, 2536, 3170, 3440, 4988, 5072, 6235, 6340, 9193, 9976, 12470, 12680, 13631, 18386, 19952, 24940, 25360, 27262, 36772, 45965, 49880, 54524, 68155, 73544, 91930, 99760, 109048, 136310, 147088, 183860, 218096, 272620, 367720, 395299, 545240, 735440, 790598, 1090480, 1581196, 1976495, 3162392, 3952990, 6324784, 7905980, 15811960, 31623920]

約数ペア:

[(1, 31623920), (2, 15811960), (4, 7905980), (5, 6324784), (8, 3952990), (10, 3162392), (16, 1976495), (20, 1581196), (29, 1090480), (40, 790598), (43, 735440), (58, 545240), (80, 395299), (86, 367720), (116, 272620), (145, 218096), (172, 183860), (215, 147088), (232, 136310), (290, 109048), (317, 99760), (344, 91930), (430, 73544), (464, 68155), (580, 54524), (634, 49880), (688, 45965), (860, 36772), (1160, 27262), (1247, 25360), (1268, 24940), (1585, 19952), (1720, 18386), (2320, 13631), (2494, 12680), (2536, 12470), (3170, 9976), (3440, 9193), (4988, 6340), (5072, 6235)]