42139280

素因数分解:

$2^4\times 5^1\times {\mathrm{526741}}^1$

素因数の和:526754

約数の個数: 20

約数和(自身を含む): 97974012

約数和(自身を除く): 55834732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526741, 1053482, 2106964, 2633705, 4213928, 5267410, 8427856, 10534820, 21069640, 42139280]

約数ペア:

[(1, 42139280), (2, 21069640), (4, 10534820), (5, 8427856), (8, 5267410), (10, 4213928), (16, 2633705), (20, 2106964), (40, 1053482), (80, 526741)]