80004980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{363659}}^1$

素因数の和:363679

約数の個数: 24

約数和(自身を含む): 183284640

約数和(自身を除く): 103279660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 363659, 727318, 1454636, 1818295, 3636590, 4000249, 7273180, 8000498, 16000996, 20001245, 40002490, 80004980]

約数ペア:

[(1, 80004980), (2, 40002490), (4, 20001245), (5, 16000996), (10, 8000498), (11, 7273180), (20, 4000249), (22, 3636590), (44, 1818295), (55, 1454636), (110, 727318), (220, 363659)]