81010580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{578647}}^1$

素因数の和:578663

約数の個数: 24

約数和(自身を含む): 194425728

約数和(自身を除く): 113415148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 578647, 1157294, 2314588, 2893235, 4050529, 5786470, 8101058, 11572940, 16202116, 20252645, 40505290, 81010580]

約数ペア:

[(1, 81010580), (2, 40505290), (4, 20252645), (5, 16202116), (7, 11572940), (10, 8101058), (14, 5786470), (20, 4050529), (28, 2893235), (35, 2314588), (70, 1157294), (140, 578647)]