80510540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1249}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 185220000

約数和(自身を除く): 104709460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 586, 1172, 1249, 1465, 2498, 2930, 3223, 4996, 5860, 6245, 6446, 12490, 12892, 13739, 16115, 24980, 27478, 32230, 54956, 64460, 68695, 137390, 274780, 365957, 731914, 1463828, 1829785, 3659570, 4025527, 7319140, 8051054, 16102108, 20127635, 40255270, 80510540]

約数ペア:

[(1, 80510540), (2, 40255270), (4, 20127635), (5, 16102108), (10, 8051054), (11, 7319140), (20, 4025527), (22, 3659570), (44, 1829785), (55, 1463828), (110, 731914), (220, 365957), (293, 274780), (586, 137390), (1172, 68695), (1249, 64460), (1465, 54956), (2498, 32230), (2930, 27478), (3223, 24980), (4996, 16115), (5860, 13739), (6245, 12892), (6446, 12490)]