2248720

素因数分解:

$2^4\times 5^1\times {\mathrm{28109}}^1$

素因数の和:28122

約数の個数: 20

約数和(自身を含む): 5228460

約数和(自身を除く): 2979740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 28109, 56218, 112436, 140545, 224872, 281090, 449744, 562180, 1124360, 2248720]

約数ペア:

[(1, 2248720), (2, 1124360), (4, 562180), (5, 449744), (8, 281090), (10, 224872), (16, 140545), (20, 112436), (40, 56218), (80, 28109)]