89875480

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1627}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 202490640

約数和(自身を除く): 112615160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 1627, 2762, 3254, 5524, 6508, 6905, 8135, 11048, 13016, 13810, 16270, 27620, 32540, 55240, 65080, 2246887, 4493774, 8987548, 11234435, 17975096, 22468870, 44937740, 89875480]

約数ペア:

[(1, 89875480), (2, 44937740), (4, 22468870), (5, 17975096), (8, 11234435), (10, 8987548), (20, 4493774), (40, 2246887), (1381, 65080), (1627, 55240), (2762, 32540), (3254, 27620), (5524, 16270), (6508, 13810), (6905, 13016), (8135, 11048)]