200552500

素因数分解:

$2^2\times 5^4\times {\mathrm{80221}}^1$

素因数の和:80245

約数の個数: 30

約数和(自身を含む): 438573674

約数和(自身を除く): 238021174

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 80221, 160442, 320884, 401105, 802210, 1604420, 2005525, 4011050, 8022100, 10027625, 20055250, 40110500, 50138125, 100276250, 200552500]

約数ペア:

[(1, 200552500), (2, 100276250), (4, 50138125), (5, 40110500), (10, 20055250), (20, 10027625), (25, 8022100), (50, 4011050), (100, 2005525), (125, 1604420), (250, 802210), (500, 401105), (625, 320884), (1250, 160442), (2500, 80221)]