8728940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3607}}^1$

素因数の和:3638

約数の個数: 36

約数和(自身を含む): 20154288

約数和(自身を除く): 11425348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3607, 7214, 14428, 18035, 36070, 39677, 72140, 79354, 158708, 198385, 396770, 436447, 793540, 872894, 1745788, 2182235, 4364470, 8728940]

約数ペア:

[(1, 8728940), (2, 4364470), (4, 2182235), (5, 1745788), (10, 872894), (11, 793540), (20, 436447), (22, 396770), (44, 198385), (55, 158708), (110, 79354), (121, 72140), (220, 39677), (242, 36070), (484, 18035), (605, 14428), (1210, 7214), (2420, 3607)]