12563840

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 30587760

約数和(自身を除く): 18023920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 293, 320, 335, 536, 586, 640, 670, 1072, 1172, 1340, 1465, 2144, 2344, 2680, 2930, 4288, 4688, 5360, 5860, 8576, 9376, 10720, 11720, 18752, 19631, 21440, 23440, 37504, 39262, 42880, 46880, 78524, 93760, 98155, 157048, 187520, 196310, 314096, 392620, 628192, 785240, 1256384, 1570480, 2512768, 3140960, 6281920, 12563840]

約数ペア:

[(1, 12563840), (2, 6281920), (4, 3140960), (5, 2512768), (8, 1570480), (10, 1256384), (16, 785240), (20, 628192), (32, 392620), (40, 314096), (64, 196310), (67, 187520), (80, 157048), (128, 98155), (134, 93760), (160, 78524), (268, 46880), (293, 42880), (320, 39262), (335, 37504), (536, 23440), (586, 21440), (640, 19631), (670, 18752), (1072, 11720), (1172, 10720), (1340, 9376), (1465, 8576), (2144, 5860), (2344, 5360), (2680, 4688), (2930, 4288)]