127470820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{32353}}^1$

素因数の和:32559

約数の個数: 24

約数和(自身を含む): 269055864

約数和(自身を除く): 141585044

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 32353, 64706, 129412, 161765, 323530, 647060, 6373541, 12747082, 25494164, 31867705, 63735410, 127470820]

約数ペア:

[(1, 127470820), (2, 63735410), (4, 31867705), (5, 25494164), (10, 12747082), (20, 6373541), (197, 647060), (394, 323530), (788, 161765), (985, 129412), (1970, 64706), (3940, 32353)]