7628840

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 17253000

約数和(自身を除く): 9624160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 709, 1076, 1345, 1418, 2152, 2690, 2836, 3545, 5380, 5672, 7090, 10760, 14180, 28360, 190721, 381442, 762884, 953605, 1525768, 1907210, 3814420, 7628840]

約数ペア:

[(1, 7628840), (2, 3814420), (4, 1907210), (5, 1525768), (8, 953605), (10, 762884), (20, 381442), (40, 190721), (269, 28360), (538, 14180), (709, 10760), (1076, 7090), (1345, 5672), (1418, 5380), (2152, 3545), (2690, 2836)]