27860440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3301}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 63002160

約数和(自身を除く): 35141720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3301, 4220, 6602, 8440, 13204, 16505, 26408, 33010, 66020, 132040, 696511, 1393022, 2786044, 3482555, 5572088, 6965110, 13930220, 27860440]

約数ペア:

[(1, 27860440), (2, 13930220), (4, 6965110), (5, 5572088), (8, 3482555), (10, 2786044), (20, 1393022), (40, 696511), (211, 132040), (422, 66020), (844, 33010), (1055, 26408), (1688, 16505), (2110, 13204), (3301, 8440), (4220, 6602)]