3960500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^2$

素因数の和:197

約数の個数: 36

約数和(自身を含む): 8748012

約数和(自身を除く): 4787512

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 890, 1780, 2225, 4450, 7921, 8900, 11125, 15842, 22250, 31684, 39605, 44500, 79210, 158420, 198025, 396050, 792100, 990125, 1980250, 3960500]

約数ペア:

[(1, 3960500), (2, 1980250), (4, 990125), (5, 792100), (10, 396050), (20, 198025), (25, 158420), (50, 79210), (89, 44500), (100, 39605), (125, 31684), (178, 22250), (250, 15842), (356, 11125), (445, 8900), (500, 7921), (890, 4450), (1780, 2225)]