6446420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2053}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 13630344

約数和(自身を除く): 7183924

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2053, 3140, 4106, 8212, 10265, 20530, 41060, 322321, 644642, 1289284, 1611605, 3223210, 6446420]

約数ペア:

[(1, 6446420), (2, 3223210), (4, 1611605), (5, 1289284), (10, 644642), (20, 322321), (157, 41060), (314, 20530), (628, 10265), (785, 8212), (1570, 4106), (2053, 3140)]