66521200

素因数分解:

$2^4\times 5^2\times {\mathrm{166303}}^1$

素因数の和:166321

約数の個数: 30

約数和(自身を含む): 159818144

約数和(自身を除く): 93296944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 166303, 332606, 665212, 831515, 1330424, 1663030, 2660848, 3326060, 4157575, 6652120, 8315150, 13304240, 16630300, 33260600, 66521200]

約数ペア:

[(1, 66521200), (2, 33260600), (4, 16630300), (5, 13304240), (8, 8315150), (10, 6652120), (16, 4157575), (20, 3326060), (25, 2660848), (40, 1663030), (50, 1330424), (80, 831515), (100, 665212), (200, 332606), (400, 166303)]