87011780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{255917}}^1$

素因数の和:255943

約数の個数: 24

約数和(自身を含む): 193474008

約数和(自身を除く): 106462228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 255917, 511834, 1023668, 1279585, 2559170, 4350589, 5118340, 8701178, 17402356, 21752945, 43505890, 87011780]

約数ペア:

[(1, 87011780), (2, 43505890), (4, 21752945), (5, 17402356), (10, 8701178), (17, 5118340), (20, 4350589), (34, 2559170), (68, 1279585), (85, 1023668), (170, 511834), (340, 255917)]