868372280

素因数分解:

$2^3\times 5^1\times {\mathrm{21709307}}^1$

素因数の和:21709318

約数の個数: 16

約数和(自身を含む): 1953837720

約数和(自身を除く): 1085465440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21709307, 43418614, 86837228, 108546535, 173674456, 217093070, 434186140, 868372280]

約数ペア:

[(1, 868372280), (2, 434186140), (4, 217093070), (5, 173674456), (8, 108546535), (10, 86837228), (20, 43418614), (40, 21709307)]