22278790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28201}}^1$

素因数の和:28287

約数の個数: 16

約数和(自身を含む): 40610880

約数和(自身を除く): 18332090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 28201, 56402, 141005, 282010, 2227879, 4455758, 11139395, 22278790]

約数ペア:

[(1, 22278790), (2, 11139395), (5, 4455758), (10, 2227879), (79, 282010), (158, 141005), (395, 56402), (790, 28201)]