7137640840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16221911}}^1$

素因数の和:16221933

約数の個数: 32

約数和(自身を含む): 17519664960

約数和(自身を除く): 10382024120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16221911, 32443822, 64887644, 81109555, 129775288, 162219110, 178441021, 324438220, 356882042, 648876440, 713764084, 892205105, 1427528168, 1784410210, 3568820420, 7137640840]

約数ペア:

[(1, 7137640840), (2, 3568820420), (4, 1784410210), (5, 1427528168), (8, 892205105), (10, 713764084), (11, 648876440), (20, 356882042), (22, 324438220), (40, 178441021), (44, 162219110), (55, 129775288), (88, 81109555), (110, 64887644), (220, 32443822), (440, 16221911)]