28368800

素因数分解:

$2^5\times 5^2\times {\mathrm{35461}}^1$

素因数の和:35481

約数の個数: 36

約数和(自身を含む): 69257286

約数和(自身を除く): 40888486

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35461, 70922, 141844, 177305, 283688, 354610, 567376, 709220, 886525, 1134752, 1418440, 1773050, 2836880, 3546100, 5673760, 7092200, 14184400, 28368800]

約数ペア:

[(1, 28368800), (2, 14184400), (4, 7092200), (5, 5673760), (8, 3546100), (10, 2836880), (16, 1773050), (20, 1418440), (25, 1134752), (32, 886525), (40, 709220), (50, 567376), (80, 354610), (100, 283688), (160, 177305), (200, 141844), (400, 70922), (800, 35461)]