21126583600

素因数分解:

$2^4\times 5^2\times {\mathrm{1871}}^1\times {\mathrm{28229}}^1$

素因数の和:30118

約数の個数: 60

約数和(自身を含む): 50785544160

約数和(自身を除く): 29658960560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1871, 3742, 7484, 9355, 14968, 18710, 28229, 29936, 37420, 46775, 56458, 74840, 93550, 112916, 141145, 149680, 187100, 225832, 282290, 374200, 451664, 564580, 705725, 748400, 1129160, 1411450, 2258320, 2822900, 5645800, 11291600, 52816459, 105632918, 211265836, 264082295, 422531672, 528164590, 845063344, 1056329180, 1320411475, 2112658360, 2640822950, 4225316720, 5281645900, 10563291800, 21126583600]

約数ペア:

[(1, 21126583600), (2, 10563291800), (4, 5281645900), (5, 4225316720), (8, 2640822950), (10, 2112658360), (16, 1320411475), (20, 1056329180), (25, 845063344), (40, 528164590), (50, 422531672), (80, 264082295), (100, 211265836), (200, 105632918), (400, 52816459), (1871, 11291600), (3742, 5645800), (7484, 2822900), (9355, 2258320), (14968, 1411450), (18710, 1129160), (28229, 748400), (29936, 705725), (37420, 564580), (46775, 451664), (56458, 374200), (74840, 282290), (93550, 225832), (112916, 187100), (141145, 149680)]