28432480

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2239

約数の個数: 48

約数和(自身を含む): 68012784

約数和(自身を除く): 39580304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2141, 2656, 3320, 4282, 6640, 8564, 10705, 13280, 17128, 21410, 34256, 42820, 68512, 85640, 171280, 177703, 342560, 355406, 710812, 888515, 1421624, 1777030, 2843248, 3554060, 5686496, 7108120, 14216240, 28432480]

約数ペア:

[(1, 28432480), (2, 14216240), (4, 7108120), (5, 5686496), (8, 3554060), (10, 2843248), (16, 1777030), (20, 1421624), (32, 888515), (40, 710812), (80, 355406), (83, 342560), (160, 177703), (166, 171280), (332, 85640), (415, 68512), (664, 42820), (830, 34256), (1328, 21410), (1660, 17128), (2141, 13280), (2656, 10705), (3320, 8564), (4282, 6640)]