40052020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9491}}^1$

素因数の和:9711

約数の個数: 24

約数和(自身を含む): 84516768

約数和(自身を除く): 44464748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 9491, 18982, 37964, 47455, 94910, 189820, 2002601, 4005202, 8010404, 10013005, 20026010, 40052020]

約数ペア:

[(1, 40052020), (2, 20026010), (4, 10013005), (5, 8010404), (10, 4005202), (20, 2002601), (211, 189820), (422, 94910), (844, 47455), (1055, 37964), (2110, 18982), (4220, 9491)]