40335580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4931}}^1$

素因数の和:5349

約数の個数: 24

約数和(自身を含む): 84929040

約数和(自身を除く): 44593460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 4931, 8180, 9862, 19724, 24655, 49310, 98620, 2016779, 4033558, 8067116, 10083895, 20167790, 40335580]

約数ペア:

[(1, 40335580), (2, 20167790), (4, 10083895), (5, 8067116), (10, 4033558), (20, 2016779), (409, 98620), (818, 49310), (1636, 24655), (2045, 19724), (4090, 9862), (4931, 8180)]