28167200

素因数分解:

$2^5\times 5^2\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 72

約数和(自身を含む): 69534612

約数和(自身を除く): 41367412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 137, 160, 200, 257, 274, 400, 514, 548, 685, 800, 1028, 1096, 1285, 1370, 2056, 2192, 2570, 2740, 3425, 4112, 4384, 5140, 5480, 6425, 6850, 8224, 10280, 10960, 12850, 13700, 20560, 21920, 25700, 27400, 35209, 41120, 51400, 54800, 70418, 102800, 109600, 140836, 176045, 205600, 281672, 352090, 563344, 704180, 880225, 1126688, 1408360, 1760450, 2816720, 3520900, 5633440, 7041800, 14083600, 28167200]

約数ペア:

[(1, 28167200), (2, 14083600), (4, 7041800), (5, 5633440), (8, 3520900), (10, 2816720), (16, 1760450), (20, 1408360), (25, 1126688), (32, 880225), (40, 704180), (50, 563344), (80, 352090), (100, 281672), (137, 205600), (160, 176045), (200, 140836), (257, 109600), (274, 102800), (400, 70418), (514, 54800), (548, 51400), (685, 41120), (800, 35209), (1028, 27400), (1096, 25700), (1285, 21920), (1370, 20560), (2056, 13700), (2192, 12850), (2570, 10960), (2740, 10280), (3425, 8224), (4112, 6850), (4384, 6425), (5140, 5480)]