138852640

素因数分解:

$2^5\times 5^1\times {\mathrm{867829}}^1$

素因数の和:867844

約数の個数: 24

約数和(自身を含む): 328039740

約数和(自身を除く): 189187100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 867829, 1735658, 3471316, 4339145, 6942632, 8678290, 13885264, 17356580, 27770528, 34713160, 69426320, 138852640]

約数ペア:

[(1, 138852640), (2, 69426320), (4, 34713160), (5, 27770528), (8, 17356580), (10, 13885264), (16, 8678290), (20, 6942632), (32, 4339145), (40, 3471316), (80, 1735658), (160, 867829)]