26860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 60480

約数和(自身を除く): 33620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 13430, 26860]

約数ペア:

[(1, 26860), (2, 13430), (4, 6715), (5, 5372), (10, 2686), (17, 1580), (20, 1343), (34, 790), (68, 395), (79, 340), (85, 316), (158, 170)]