81489687560

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{2192941}}^1$

素因数の和:2193881

約数の個数: 32

約数和(自身を含む): 183549245400

約数和(自身を除く): 102059557840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3716, 4645, 7432, 9290, 18580, 37160, 2192941, 4385882, 8771764, 10964705, 17543528, 21929410, 43858820, 87717640, 2037242189, 4074484378, 8148968756, 10186210945, 16297937512, 20372421890, 40744843780, 81489687560]

約数ペア:

[(1, 81489687560), (2, 40744843780), (4, 20372421890), (5, 16297937512), (8, 10186210945), (10, 8148968756), (20, 4074484378), (40, 2037242189), (929, 87717640), (1858, 43858820), (3716, 21929410), (4645, 17543528), (7432, 10964705), (9290, 8771764), (18580, 4385882), (37160, 2192941)]