81218030

素因数分解:

$2^1\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{4649}}^1$

素因数の和:6403

約数の個数: 16

約数和(自身を含む): 146307600

約数和(自身を除く): 65089570

約数列:

[1, 2, 5, 10, 1747, 3494, 4649, 8735, 9298, 17470, 23245, 46490, 8121803, 16243606, 40609015, 81218030]

約数ペア:

[(1, 81218030), (2, 40609015), (5, 16243606), (10, 8121803), (1747, 46490), (3494, 23245), (4649, 17470), (8735, 9298)]