85678790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{10487}}^1$

素因数の和:10556

約数の個数: 32

約数和(自身を含む): 166129920

約数和(自身を除く): 80451130

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 10487, 20974, 52435, 104870, 199253, 398506, 450941, 901882, 996265, 1992530, 2254705, 4509410, 8567879, 17135758, 42839395, 85678790]

約数ペア:

[(1, 85678790), (2, 42839395), (5, 17135758), (10, 8567879), (19, 4509410), (38, 2254705), (43, 1992530), (86, 996265), (95, 901882), (190, 450941), (215, 398506), (430, 199253), (817, 104870), (1634, 52435), (4085, 20974), (8170, 10487)]