2054540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 4416720

約数和(自身を除く): 2362180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2389, 4778, 9556, 11945, 23890, 47780, 102727, 205454, 410908, 513635, 1027270, 2054540]

約数ペア:

[(1, 2054540), (2, 1027270), (4, 513635), (5, 410908), (10, 205454), (20, 102727), (43, 47780), (86, 23890), (172, 11945), (215, 9556), (430, 4778), (860, 2389)]