13365680

素因数分解:

$2^4\times 5^1\times {\mathrm{167071}}^1$

素因数の和:167084

約数の個数: 20

約数和(自身を含む): 31075392

約数和(自身を除く): 17709712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167071, 334142, 668284, 835355, 1336568, 1670710, 2673136, 3341420, 6682840, 13365680]

約数ペア:

[(1, 13365680), (2, 6682840), (4, 3341420), (5, 2673136), (8, 1670710), (10, 1336568), (16, 835355), (20, 668284), (40, 334142), (80, 167071)]