84394840

素因数分解:

$2^3\times 5^1\times {\mathrm{2109871}}^1$

素因数の和:2109882

約数の個数: 16

約数和(自身を含む): 189888480

約数和(自身を除く): 105493640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2109871, 4219742, 8439484, 10549355, 16878968, 21098710, 42197420, 84394840]

約数ペア:

[(1, 84394840), (2, 42197420), (4, 21098710), (5, 16878968), (8, 10549355), (10, 8439484), (20, 4219742), (40, 2109871)]