22304080

素因数分解:

$2^4\times 5^1\times {\mathrm{278801}}^1$

素因数の和:278814

約数の個数: 20

約数和(自身を含む): 51857172

約数和(自身を除く): 29553092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278801, 557602, 1115204, 1394005, 2230408, 2788010, 4460816, 5576020, 11152040, 22304080]

約数ペア:

[(1, 22304080), (2, 11152040), (4, 5576020), (5, 4460816), (8, 2788010), (10, 2230408), (16, 1394005), (20, 1115204), (40, 557602), (80, 278801)]