128936120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{87119}}^1$

素因数の和:87167

約数の個数: 32

約数和(自身を含む): 297950400

約数和(自身を除く): 169014280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 87119, 174238, 348476, 435595, 696952, 871190, 1742380, 3223403, 3484760, 6446806, 12893612, 16117015, 25787224, 32234030, 64468060, 128936120]

約数ペア:

[(1, 128936120), (2, 64468060), (4, 32234030), (5, 25787224), (8, 16117015), (10, 12893612), (20, 6446806), (37, 3484760), (40, 3223403), (74, 1742380), (148, 871190), (185, 696952), (296, 435595), (370, 348476), (740, 174238), (1480, 87119)]