13381360

素因数分解:

$2^4\times 5^1\times {\mathrm{167267}}^1$

素因数の和:167280

約数の個数: 20

約数和(自身を含む): 31111848

約数和(自身を除く): 17730488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167267, 334534, 669068, 836335, 1338136, 1672670, 2676272, 3345340, 6690680, 13381360]

約数ペア:

[(1, 13381360), (2, 6690680), (4, 3345340), (5, 2676272), (8, 1672670), (10, 1338136), (16, 836335), (20, 669068), (40, 334534), (80, 167267)]