268691840

素因数分解:

$2^7\times 5^1\times {\mathrm{419831}}^1$

素因数の和:419850

約数の個数: 32

約数和(自身を含む): 642342960

約数和(自身を除く): 373651120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 419831, 839662, 1679324, 2099155, 3358648, 4198310, 6717296, 8396620, 13434592, 16793240, 26869184, 33586480, 53738368, 67172960, 134345920, 268691840]

約数ペア:

[(1, 268691840), (2, 134345920), (4, 67172960), (5, 53738368), (8, 33586480), (10, 26869184), (16, 16793240), (20, 13434592), (32, 8396620), (40, 6717296), (64, 4198310), (80, 3358648), (128, 2099155), (160, 1679324), (320, 839662), (640, 419831)]