81274000

素因数分解:

$2^4\times 5^3\times {\mathrm{40637}}^1$

素因数の和:40660

約数の個数: 40

約数和(自身を含む): 196525368

約数和(自身を除く): 115251368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40637, 81274, 162548, 203185, 325096, 406370, 650192, 812740, 1015925, 1625480, 2031850, 3250960, 4063700, 5079625, 8127400, 10159250, 16254800, 20318500, 40637000, 81274000]

約数ペア:

[(1, 81274000), (2, 40637000), (4, 20318500), (5, 16254800), (8, 10159250), (10, 8127400), (16, 5079625), (20, 4063700), (25, 3250960), (40, 2031850), (50, 1625480), (80, 1015925), (100, 812740), (125, 650192), (200, 406370), (250, 325096), (400, 203185), (500, 162548), (1000, 81274), (2000, 40637)]