80668760

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{6883}}^1$

素因数の和:7187

約数の個数: 32

約数和(自身を含む): 182150640

約数和(自身を除く): 101481880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 6883, 11720, 13766, 27532, 34415, 55064, 68830, 137660, 275320, 2016719, 4033438, 8066876, 10083595, 16133752, 20167190, 40334380, 80668760]

約数ペア:

[(1, 80668760), (2, 40334380), (4, 20167190), (5, 16133752), (8, 10083595), (10, 8066876), (20, 4033438), (40, 2016719), (293, 275320), (586, 137660), (1172, 68830), (1465, 55064), (2344, 34415), (2930, 27532), (5860, 13766), (6883, 11720)]