25207280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45013}}^1$

素因数の和:45033

約数の個数: 40

約数和(自身を含む): 66980832

約数和(自身を除く): 41773552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45013, 90026, 180052, 225065, 315091, 360104, 450130, 630182, 720208, 900260, 1260364, 1575455, 1800520, 2520728, 3150910, 3601040, 5041456, 6301820, 12603640, 25207280]

約数ペア:

[(1, 25207280), (2, 12603640), (4, 6301820), (5, 5041456), (7, 3601040), (8, 3150910), (10, 2520728), (14, 1800520), (16, 1575455), (20, 1260364), (28, 900260), (35, 720208), (40, 630182), (56, 450130), (70, 360104), (80, 315091), (112, 225065), (140, 180052), (280, 90026), (560, 45013)]