25218520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6121}}^1$

素因数の和:6235

約数の個数: 32

約数和(自身を含む): 57301920

約数和(自身を除く): 32083400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6121, 12242, 24484, 30605, 48968, 61210, 122420, 244840, 630463, 1260926, 2521852, 3152315, 5043704, 6304630, 12609260, 25218520]

約数ペア:

[(1, 25218520), (2, 12609260), (4, 6304630), (5, 5043704), (8, 3152315), (10, 2521852), (20, 1260926), (40, 630463), (103, 244840), (206, 122420), (412, 61210), (515, 48968), (824, 30605), (1030, 24484), (2060, 12242), (4120, 6121)]