822146840

素因数分解:

$2^3\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{9839}}^1$

素因数の和:11939

約数の個数: 32

約数和(自身を含む): 1850904000

約数和(自身を除く): 1028757160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2089, 4178, 8356, 9839, 10445, 16712, 19678, 20890, 39356, 41780, 49195, 78712, 83560, 98390, 196780, 393560, 20553671, 41107342, 82214684, 102768355, 164429368, 205536710, 411073420, 822146840]

約数ペア:

[(1, 822146840), (2, 411073420), (4, 205536710), (5, 164429368), (8, 102768355), (10, 82214684), (20, 41107342), (40, 20553671), (2089, 393560), (4178, 196780), (8356, 98390), (9839, 83560), (10445, 78712), (16712, 49195), (19678, 41780), (20890, 39356)]