80337616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161971}}^1$

素因数の和:162010

約数の個数: 20

約数和(自身を含む): 160676224

約数和(自身を除く): 80338608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161971, 323942, 647884, 1295768, 2591536, 5021101, 10042202, 20084404, 40168808, 80337616]

約数ペア:

[(1, 80337616), (2, 40168808), (4, 20084404), (8, 10042202), (16, 5021101), (31, 2591536), (62, 1295768), (124, 647884), (248, 323942), (496, 161971)]