27690220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72869}}^1$

素因数の和:72897

約数の個数: 24

約数和(自身を含む): 61210800

約数和(自身を除く): 33520580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 72869, 145738, 291476, 364345, 728690, 1384511, 1457380, 2769022, 5538044, 6922555, 13845110, 27690220]

約数ペア:

[(1, 27690220), (2, 13845110), (4, 6922555), (5, 5538044), (10, 2769022), (19, 1457380), (20, 1384511), (38, 728690), (76, 364345), (95, 291476), (190, 145738), (380, 72869)]