9780180385

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{445871}}^1$

素因数の和:446024

約数の個数: 16

約数和(自身を含む): 12134852352

約数和(自身を除く): 2354671967

約数列:

[1, 5, 41, 107, 205, 535, 4387, 21935, 445871, 2229355, 18280711, 47708197, 91403555, 238540985, 1956036077, 9780180385]

約数ペア:

[(1, 9780180385), (5, 1956036077), (41, 238540985), (107, 91403555), (205, 47708197), (535, 18280711), (4387, 2229355), (21935, 445871)]