5287780

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 11148480

約数和(自身を除く): 5860700

約数列:

[1, 2, 4, 5, 10, 20, 419, 631, 838, 1262, 1676, 2095, 2524, 3155, 4190, 6310, 8380, 12620, 264389, 528778, 1057556, 1321945, 2643890, 5287780]

約数ペア:

[(1, 5287780), (2, 2643890), (4, 1321945), (5, 1057556), (10, 528778), (20, 264389), (419, 12620), (631, 8380), (838, 6310), (1262, 4190), (1676, 3155), (2095, 2524)]