4032800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^2$

素因数の和:162

約数の個数: 54

約数和(自身を含む): 9985689

約数和(自身を除く): 5952889

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1775, 2272, 2840, 3550, 5041, 5680, 7100, 10082, 11360, 14200, 20164, 25205, 28400, 40328, 50410, 56800, 80656, 100820, 126025, 161312, 201640, 252050, 403280, 504100, 806560, 1008200, 2016400, 4032800]

約数ペア:

[(1, 4032800), (2, 2016400), (4, 1008200), (5, 806560), (8, 504100), (10, 403280), (16, 252050), (20, 201640), (25, 161312), (32, 126025), (40, 100820), (50, 80656), (71, 56800), (80, 50410), (100, 40328), (142, 28400), (160, 25205), (200, 20164), (284, 14200), (355, 11360), (400, 10082), (568, 7100), (710, 5680), (800, 5041), (1136, 3550), (1420, 2840), (1775, 2272)]