881642120

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{81937}}^1$

素因数の和:82217

約数の個数: 32

約数和(自身を含む): 1991093400

約数和(自身を除く): 1109451280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 81937, 163874, 327748, 409685, 655496, 819370, 1638740, 3277480, 22041053, 44082106, 88164212, 110205265, 176328424, 220410530, 440821060, 881642120]

約数ペア:

[(1, 881642120), (2, 440821060), (4, 220410530), (5, 176328424), (8, 110205265), (10, 88164212), (20, 44082106), (40, 22041053), (269, 3277480), (538, 1638740), (1076, 819370), (1345, 655496), (2152, 409685), (2690, 327748), (5380, 163874), (10760, 81937)]