80659790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{102101}}^1$

素因数の和:102187

約数の個数: 16

約数和(自身を含む): 147026880

約数和(自身を除く): 66367090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 102101, 204202, 510505, 1021010, 8065979, 16131958, 40329895, 80659790]

約数ペア:

[(1, 80659790), (2, 40329895), (5, 16131958), (10, 8065979), (79, 1021010), (158, 510505), (395, 204202), (790, 102101)]