8854780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3659}}^1$

素因数の和:3690

約数の個数: 36

約数和(自身を含む): 20444760

約数和(自身を除く): 11589980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3659, 7318, 14636, 18295, 36590, 40249, 73180, 80498, 160996, 201245, 402490, 442739, 804980, 885478, 1770956, 2213695, 4427390, 8854780]

約数ペア:

[(1, 8854780), (2, 4427390), (4, 2213695), (5, 1770956), (10, 885478), (11, 804980), (20, 442739), (22, 402490), (44, 201245), (55, 160996), (110, 80498), (121, 73180), (220, 40249), (242, 36590), (484, 18295), (605, 14636), (1210, 7318), (2420, 3659)]