40639810

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17903}}^1$

素因数の和:18137

約数の個数: 16

約数和(自身を含む): 73478016

約数和(自身を除く): 32838206

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 17903, 35806, 89515, 179030, 4063981, 8127962, 20319905, 40639810]

約数ペア:

[(1, 40639810), (2, 20319905), (5, 8127962), (10, 4063981), (227, 179030), (454, 89515), (1135, 35806), (2270, 17903)]