51840260

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6529}}^1$

素因数の和:6935

約数の個数: 24

約数和(自身を含む): 109155480

約数和(自身を除く): 57315220

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 6529, 7940, 13058, 26116, 32645, 65290, 130580, 2592013, 5184026, 10368052, 12960065, 25920130, 51840260]

約数ペア:

[(1, 51840260), (2, 25920130), (4, 12960065), (5, 10368052), (10, 5184026), (20, 2592013), (397, 130580), (794, 65290), (1588, 32645), (1985, 26116), (3970, 13058), (6529, 7940)]