2077772920

素因数分解:

$2^3\times 5^1\times {\mathrm{5273}}^1\times {\mathrm{9851}}^1$

素因数の和:15135

約数の個数: 32

約数和(自身を含む): 4676350320

約数和(自身を除く): 2598577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5273, 9851, 10546, 19702, 21092, 26365, 39404, 42184, 49255, 52730, 78808, 98510, 105460, 197020, 210920, 394040, 51944323, 103888646, 207777292, 259721615, 415554584, 519443230, 1038886460, 2077772920]

約数ペア:

[(1, 2077772920), (2, 1038886460), (4, 519443230), (5, 415554584), (8, 259721615), (10, 207777292), (20, 103888646), (40, 51944323), (5273, 394040), (9851, 210920), (10546, 197020), (19702, 105460), (21092, 98510), (26365, 78808), (39404, 52730), (42184, 49255)]