13393040

素因数分解:

$2^4\times 5^1\times {\mathrm{167413}}^1$

素因数の和:167426

約数の個数: 20

約数和(自身を含む): 31139004

約数和(自身を除く): 17745964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167413, 334826, 669652, 837065, 1339304, 1674130, 2678608, 3348260, 6696520, 13393040]

約数ペア:

[(1, 13393040), (2, 6696520), (4, 3348260), (5, 2678608), (8, 1674130), (10, 1339304), (16, 837065), (20, 669652), (40, 334826), (80, 167413)]