86161780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253417}}^1$

素因数の和:253443

約数の個数: 24

約数和(自身を含む): 191584008

約数和(自身を除く): 105422228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 253417, 506834, 1013668, 1267085, 2534170, 4308089, 5068340, 8616178, 17232356, 21540445, 43080890, 86161780]

約数ペア:

[(1, 86161780), (2, 43080890), (4, 21540445), (5, 17232356), (10, 8616178), (17, 5068340), (20, 4308089), (34, 2534170), (68, 1267085), (85, 1013668), (170, 506834), (340, 253417)]