201600800

素因数分解:

$2^5\times 5^2\times {\mathrm{252001}}^1$

素因数の和:252021

約数の個数: 36

約数和(自身を含む): 492159906

約数和(自身を除く): 290559106

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 252001, 504002, 1008004, 1260005, 2016008, 2520010, 4032016, 5040020, 6300025, 8064032, 10080040, 12600050, 20160080, 25200100, 40320160, 50400200, 100800400, 201600800]

約数ペア:

[(1, 201600800), (2, 100800400), (4, 50400200), (5, 40320160), (8, 25200100), (10, 20160080), (16, 12600050), (20, 10080040), (25, 8064032), (32, 6300025), (40, 5040020), (50, 4032016), (80, 2520010), (100, 2016008), (160, 1260005), (200, 1008004), (400, 504002), (800, 252001)]