6646840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1553}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 15104880

約数和(自身を除く): 8458040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 1553, 2140, 3106, 4280, 6212, 7765, 12424, 15530, 31060, 62120, 166171, 332342, 664684, 830855, 1329368, 1661710, 3323420, 6646840]

約数ペア:

[(1, 6646840), (2, 3323420), (4, 1661710), (5, 1329368), (8, 830855), (10, 664684), (20, 332342), (40, 166171), (107, 62120), (214, 31060), (428, 15530), (535, 12424), (856, 7765), (1070, 6212), (1553, 4280), (2140, 3106)]