339672020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{80491}}^1$

素因数の和:80711

約数の個数: 24

約数和(自身を含む): 716700768

約数和(自身を除く): 377028748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 80491, 160982, 321964, 402455, 804910, 1609820, 16983601, 33967202, 67934404, 84918005, 169836010, 339672020]

約数ペア:

[(1, 339672020), (2, 169836010), (4, 84918005), (5, 67934404), (10, 33967202), (20, 16983601), (211, 1609820), (422, 804910), (844, 402455), (1055, 321964), (2110, 160982), (4220, 80491)]