77435980

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{2003}}^1$

素因数の和:3945

約数の個数: 24

約数和(自身を含む): 162780912

約数和(自身を除く): 85344932

約数列:

[1, 2, 4, 5, 10, 20, 1933, 2003, 3866, 4006, 7732, 8012, 9665, 10015, 19330, 20030, 38660, 40060, 3871799, 7743598, 15487196, 19358995, 38717990, 77435980]

約数ペア:

[(1, 77435980), (2, 38717990), (4, 19358995), (5, 15487196), (10, 7743598), (20, 3871799), (1933, 40060), (2003, 38660), (3866, 20030), (4006, 19330), (7732, 10015), (8012, 9665)]