91218280

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1783}}^1$

素因数の和:3073

約数の個数: 32

約数和(自身を含む): 205516800

約数和(自身を除く): 114298520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1783, 2558, 3566, 5116, 6395, 7132, 8915, 10232, 12790, 14264, 17830, 25580, 35660, 51160, 71320, 2280457, 4560914, 9121828, 11402285, 18243656, 22804570, 45609140, 91218280]

約数ペア:

[(1, 91218280), (2, 45609140), (4, 22804570), (5, 18243656), (8, 11402285), (10, 9121828), (20, 4560914), (40, 2280457), (1279, 71320), (1783, 51160), (2558, 35660), (3566, 25580), (5116, 17830), (6395, 14264), (7132, 12790), (8915, 10232)]