77421040

素因数分解:

$2^4\times 5^1\times {\mathrm{967763}}^1$

素因数の和:967776

約数の個数: 20

約数和(自身を含む): 180004104

約数和(自身を除く): 102583064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 967763, 1935526, 3871052, 4838815, 7742104, 9677630, 15484208, 19355260, 38710520, 77421040]

約数ペア:

[(1, 77421040), (2, 38710520), (4, 19355260), (5, 15484208), (8, 9677630), (10, 7742104), (16, 4838815), (20, 3871052), (40, 1935526), (80, 967763)]