920800

素因数分解:

$2^5\times 5^2\times {\mathrm{1151}}^1$

素因数の和:1171

約数の個数: 36

約数和(自身を含む): 2249856

約数和(自身を除く): 1329056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1151, 2302, 4604, 5755, 9208, 11510, 18416, 23020, 28775, 36832, 46040, 57550, 92080, 115100, 184160, 230200, 460400, 920800]

約数ペア:

[(1, 920800), (2, 460400), (4, 230200), (5, 184160), (8, 115100), (10, 92080), (16, 57550), (20, 46040), (25, 36832), (32, 28775), (40, 23020), (50, 18416), (80, 11510), (100, 9208), (160, 5755), (200, 4604), (400, 2302), (800, 1151)]