8617420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61553}}^1$

素因数の和:61569

約数の個数: 24

約数和(自身を含む): 20682144

約数和(自身を除く): 12064724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61553, 123106, 246212, 307765, 430871, 615530, 861742, 1231060, 1723484, 2154355, 4308710, 8617420]

約数ペア:

[(1, 8617420), (2, 4308710), (4, 2154355), (5, 1723484), (7, 1231060), (10, 861742), (14, 615530), (20, 430871), (28, 307765), (35, 246212), (70, 123106), (140, 61553)]