28840480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 44642720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 152, 160, 179, 190, 212, 265, 304, 358, 380, 424, 530, 608, 716, 760, 848, 895, 1007, 1060, 1432, 1520, 1696, 1790, 2014, 2120, 2864, 3040, 3401, 3580, 4028, 4240, 5035, 5728, 6802, 7160, 8056, 8480, 9487, 10070, 13604, 14320, 16112, 17005, 18974, 20140, 27208, 28640, 32224, 34010, 37948, 40280, 47435, 54416, 68020, 75896, 80560, 94870, 108832, 136040, 151792, 161120, 180253, 189740, 272080, 303584, 360506, 379480, 544160, 721012, 758960, 901265, 1442024, 1517920, 1802530, 2884048, 3605060, 5768096, 7210120, 14420240, 28840480]

約数ペア:

[(1, 28840480), (2, 14420240), (4, 7210120), (5, 5768096), (8, 3605060), (10, 2884048), (16, 1802530), (19, 1517920), (20, 1442024), (32, 901265), (38, 758960), (40, 721012), (53, 544160), (76, 379480), (80, 360506), (95, 303584), (106, 272080), (152, 189740), (160, 180253), (179, 161120), (190, 151792), (212, 136040), (265, 108832), (304, 94870), (358, 80560), (380, 75896), (424, 68020), (530, 54416), (608, 47435), (716, 40280), (760, 37948), (848, 34010), (895, 32224), (1007, 28640), (1060, 27208), (1432, 20140), (1520, 18974), (1696, 17005), (1790, 16112), (2014, 14320), (2120, 13604), (2864, 10070), (3040, 9487), (3401, 8480), (3580, 8056), (4028, 7160), (4240, 6802), (5035, 5728)]