425200

素因数分解:

$2^4\times 5^2\times {\mathrm{1063}}^1$

素因数の和:1081

約数の個数: 30

約数和(自身を含む): 1022504

約数和(自身を除く): 597304

約数列:

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

約数ペア:

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