39961640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14071}}^1$

素因数の和:14153

約数の個数: 32

約数和(自身を含む): 91186560

約数和(自身を除く): 51224920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14071, 28142, 56284, 70355, 112568, 140710, 281420, 562840, 999041, 1998082, 3996164, 4995205, 7992328, 9990410, 19980820, 39961640]

約数ペア:

[(1, 39961640), (2, 19980820), (4, 9990410), (5, 7992328), (8, 4995205), (10, 3996164), (20, 1998082), (40, 999041), (71, 562840), (142, 281420), (284, 140710), (355, 112568), (568, 70355), (710, 56284), (1420, 28142), (2840, 14071)]