87134860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{256279}}^1$

素因数の和:256305

約数の個数: 24

約数和(自身を含む): 193747680

約数和(自身を除く): 106612820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 256279, 512558, 1025116, 1281395, 2562790, 4356743, 5125580, 8713486, 17426972, 21783715, 43567430, 87134860]

約数ペア:

[(1, 87134860), (2, 43567430), (4, 21783715), (5, 17426972), (10, 8713486), (17, 5125580), (20, 4356743), (34, 2562790), (68, 1281395), (85, 1025116), (170, 512558), (340, 256279)]