25208680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90031}}^1$

素因数の和:90049

約数の個数: 32

約数和(自身を含む): 64823040

約数和(自身を除く): 39614360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90031, 180062, 360124, 450155, 630217, 720248, 900310, 1260434, 1800620, 2520868, 3151085, 3601240, 5041736, 6302170, 12604340, 25208680]

約数ペア:

[(1, 25208680), (2, 12604340), (4, 6302170), (5, 5041736), (7, 3601240), (8, 3151085), (10, 2520868), (14, 1800620), (20, 1260434), (28, 900310), (35, 720248), (40, 630217), (56, 450155), (70, 360124), (140, 180062), (280, 90031)]