13397680

素因数分解:

$2^4\times 5^1\times {\mathrm{167471}}^1$

素因数の和:167484

約数の個数: 20

約数和(自身を含む): 31149792

約数和(自身を除く): 17752112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167471, 334942, 669884, 837355, 1339768, 1674710, 2679536, 3349420, 6698840, 13397680]

約数ペア:

[(1, 13397680), (2, 6698840), (4, 3349420), (5, 2679536), (8, 1674710), (10, 1339768), (16, 837355), (20, 669884), (40, 334942), (80, 167471)]