28276400

素因数分解:

$2^4\times 5^2\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 60

約数和(自身を含む): 68453952

約数和(自身を除く): 40177552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 223, 317, 400, 446, 634, 892, 1115, 1268, 1585, 1784, 2230, 2536, 3170, 3568, 4460, 5072, 5575, 6340, 7925, 8920, 11150, 12680, 15850, 17840, 22300, 25360, 31700, 44600, 63400, 70691, 89200, 126800, 141382, 282764, 353455, 565528, 706910, 1131056, 1413820, 1767275, 2827640, 3534550, 5655280, 7069100, 14138200, 28276400]

約数ペア:

[(1, 28276400), (2, 14138200), (4, 7069100), (5, 5655280), (8, 3534550), (10, 2827640), (16, 1767275), (20, 1413820), (25, 1131056), (40, 706910), (50, 565528), (80, 353455), (100, 282764), (200, 141382), (223, 126800), (317, 89200), (400, 70691), (446, 63400), (634, 44600), (892, 31700), (1115, 25360), (1268, 22300), (1585, 17840), (1784, 15850), (2230, 12680), (2536, 11150), (3170, 8920), (3568, 7925), (4460, 6340), (5072, 5575)]