138709280

素因数分解:

$2^5\times 5^1\times {\mathrm{866933}}^1$

素因数の和:866948

約数の個数: 24

約数和(自身を含む): 327701052

約数和(自身を除く): 188991772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 866933, 1733866, 3467732, 4334665, 6935464, 8669330, 13870928, 17338660, 27741856, 34677320, 69354640, 138709280]

約数ペア:

[(1, 138709280), (2, 69354640), (4, 34677320), (5, 27741856), (8, 17338660), (10, 13870928), (16, 8669330), (20, 6935464), (32, 4334665), (40, 3467732), (80, 1733866), (160, 866933)]