51910020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{288389}}^1$

素因数の和:288404

約数の個数: 36

約数和(自身を含む): 157460940

約数和(自身を除く): 105550920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 288389, 576778, 865167, 1153556, 1441945, 1730334, 2595501, 2883890, 3460668, 4325835, 5191002, 5767780, 8651670, 10382004, 12977505, 17303340, 25955010, 51910020]

約数ペア:

[(1, 51910020), (2, 25955010), (3, 17303340), (4, 12977505), (5, 10382004), (6, 8651670), (9, 5767780), (10, 5191002), (12, 4325835), (15, 3460668), (18, 2883890), (20, 2595501), (30, 1730334), (36, 1441945), (45, 1153556), (60, 865167), (90, 576778), (180, 288389)]