81170360

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{3457}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 182997360

約数和(自身を除く): 101827000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 3457, 4696, 5870, 6914, 11740, 13828, 17285, 23480, 27656, 34570, 69140, 138280, 2029259, 4058518, 8117036, 10146295, 16234072, 20292590, 40585180, 81170360]

約数ペア:

[(1, 81170360), (2, 40585180), (4, 20292590), (5, 16234072), (8, 10146295), (10, 8117036), (20, 4058518), (40, 2029259), (587, 138280), (1174, 69140), (2348, 34570), (2935, 27656), (3457, 23480), (4696, 17285), (5870, 13828), (6914, 11740)]