8540180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3529}}^1$

素因数の和:3560

約数の個数: 36

約数和(自身を含む): 19718580

約数和(自身を除く): 11178400

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3529, 7058, 14116, 17645, 35290, 38819, 70580, 77638, 155276, 194095, 388190, 427009, 776380, 854018, 1708036, 2135045, 4270090, 8540180]

約数ペア:

[(1, 8540180), (2, 4270090), (4, 2135045), (5, 1708036), (10, 854018), (11, 776380), (20, 427009), (22, 388190), (44, 194095), (55, 155276), (110, 77638), (121, 70580), (220, 38819), (242, 35290), (484, 17645), (605, 14116), (1210, 7058), (2420, 3529)]