51172280

素因数分解:

$2^3\times 5^1\times {\mathrm{1279307}}^1$

素因数の和:1279318

約数の個数: 16

約数和(自身を含む): 115137720

約数和(自身を除く): 63965440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279307, 2558614, 5117228, 6396535, 10234456, 12793070, 25586140, 51172280]

約数ペア:

[(1, 51172280), (2, 25586140), (4, 12793070), (5, 10234456), (8, 6396535), (10, 5117228), (20, 2558614), (40, 1279307)]