81430270

素因数分解:

$2^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{4217}}^1$

素因数の和:6155

約数の個数: 16

約数和(自身を含む): 146685168

約数和(自身を除く): 65254898

約数列:

[1, 2, 5, 10, 1931, 3862, 4217, 8434, 9655, 19310, 21085, 42170, 8143027, 16286054, 40715135, 81430270]

約数ペア:

[(1, 81430270), (2, 40715135), (5, 16286054), (10, 8143027), (1931, 42170), (3862, 21085), (4217, 19310), (8434, 9655)]