27920810

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{14173}}^1$

素因数の和:14377

約数の個数: 16

約数和(自身を含む): 50516136

約数和(自身を除く): 22595326

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 14173, 28346, 70865, 141730, 2792081, 5584162, 13960405, 27920810]

約数ペア:

[(1, 27920810), (2, 13960405), (5, 5584162), (10, 2792081), (197, 141730), (394, 70865), (985, 28346), (1970, 14173)]