87104120

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2137}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 196268400

約数和(自身を除く): 109164280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 2137, 4076, 4274, 5095, 8152, 8548, 10190, 10685, 17096, 20380, 21370, 40760, 42740, 85480, 2177603, 4355206, 8710412, 10888015, 17420824, 21776030, 43552060, 87104120]

約数ペア:

[(1, 87104120), (2, 43552060), (4, 21776030), (5, 17420824), (8, 10888015), (10, 8710412), (20, 4355206), (40, 2177603), (1019, 85480), (2038, 42740), (2137, 40760), (4076, 21370), (4274, 20380), (5095, 17096), (8152, 10685), (8548, 10190)]