42558890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 83859840

約数和(自身を除く): 41300950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 919, 1838, 2105, 4210, 4595, 4631, 9190, 9262, 10109, 20218, 23155, 46310, 50545, 101090, 386899, 773798, 1934495, 3868990, 4255889, 8511778, 21279445, 42558890]

約数ペア:

[(1, 42558890), (2, 21279445), (5, 8511778), (10, 4255889), (11, 3868990), (22, 1934495), (55, 773798), (110, 386899), (421, 101090), (842, 50545), (919, 46310), (1838, 23155), (2105, 20218), (4210, 10109), (4595, 9262), (4631, 9190)]