40987390

素因数分解:

$2^1\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2609}}^1$

素因数の和:4187

約数の個数: 16

約数和(自身を含む): 73852560

約数和(自身を除く): 32865170

約数列:

[1, 2, 5, 10, 1571, 2609, 3142, 5218, 7855, 13045, 15710, 26090, 4098739, 8197478, 20493695, 40987390]

約数ペア:

[(1, 40987390), (2, 20493695), (5, 8197478), (10, 4098739), (1571, 26090), (2609, 15710), (3142, 13045), (5218, 7855)]