127993760

素因数分解:

$2^5\times 5^1\times {\mathrm{799961}}^1$

素因数の和:799976

約数の個数: 24

約数和(自身を含む): 302385636

約数和(自身を除く): 174391876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 799961, 1599922, 3199844, 3999805, 6399688, 7999610, 12799376, 15999220, 25598752, 31998440, 63996880, 127993760]

約数ペア:

[(1, 127993760), (2, 63996880), (4, 31998440), (5, 25598752), (8, 15999220), (10, 12799376), (16, 7999610), (20, 6399688), (32, 3999805), (40, 3199844), (80, 1599922), (160, 799961)]