61965140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{17909}}^1$

素因数の和:18091

約数の個数: 24

約数和(自身を含む): 130886280

約数和(自身を除く): 68921140

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 17909, 35818, 71636, 89545, 179090, 358180, 3098257, 6196514, 12393028, 15491285, 30982570, 61965140]

約数ペア:

[(1, 61965140), (2, 30982570), (4, 15491285), (5, 12393028), (10, 6196514), (20, 3098257), (173, 358180), (346, 179090), (692, 89545), (865, 71636), (1730, 35818), (3460, 17909)]