850400

素因数分解:

$2^5\times 5^2\times {\mathrm{1063}}^1$

素因数の和:1083

約数の個数: 36

約数和(自身を含む): 2077992

約数和(自身を除く): 1227592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1063, 2126, 4252, 5315, 8504, 10630, 17008, 21260, 26575, 34016, 42520, 53150, 85040, 106300, 170080, 212600, 425200, 850400]

約数ペア:

[(1, 850400), (2, 425200), (4, 212600), (5, 170080), (8, 106300), (10, 85040), (16, 53150), (20, 42520), (25, 34016), (32, 26575), (40, 21260), (50, 17008), (80, 10630), (100, 8504), (160, 5315), (200, 4252), (400, 2126), (800, 1063)]