25127680

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 61295472

約数和(自身を除く): 36167792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 293, 320, 335, 536, 586, 640, 670, 1072, 1172, 1280, 1340, 1465, 2144, 2344, 2680, 2930, 4288, 4688, 5360, 5860, 8576, 9376, 10720, 11720, 17152, 18752, 19631, 21440, 23440, 37504, 39262, 42880, 46880, 75008, 78524, 85760, 93760, 98155, 157048, 187520, 196310, 314096, 375040, 392620, 628192, 785240, 1256384, 1570480, 2512768, 3140960, 5025536, 6281920, 12563840, 25127680]

約数ペア:

[(1, 25127680), (2, 12563840), (4, 6281920), (5, 5025536), (8, 3140960), (10, 2512768), (16, 1570480), (20, 1256384), (32, 785240), (40, 628192), (64, 392620), (67, 375040), (80, 314096), (128, 196310), (134, 187520), (160, 157048), (256, 98155), (268, 93760), (293, 85760), (320, 78524), (335, 75008), (536, 46880), (586, 42880), (640, 39262), (670, 37504), (1072, 23440), (1172, 21440), (1280, 19631), (1340, 18752), (1465, 17152), (2144, 11720), (2344, 10720), (2680, 9376), (2930, 8576), (4288, 5860), (4688, 5360)]