16005880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3307}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 39596760

約数和(自身を除く): 23590880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3307, 4840, 6614, 13228, 16535, 26456, 33070, 36377, 66140, 72754, 132280, 145508, 181885, 291016, 363770, 400147, 727540, 800294, 1455080, 1600588, 2000735, 3201176, 4001470, 8002940, 16005880]

約数ペア:

[(1, 16005880), (2, 8002940), (4, 4001470), (5, 3201176), (8, 2000735), (10, 1600588), (11, 1455080), (20, 800294), (22, 727540), (40, 400147), (44, 363770), (55, 291016), (88, 181885), (110, 145508), (121, 132280), (220, 72754), (242, 66140), (440, 36377), (484, 33070), (605, 26456), (968, 16535), (1210, 13228), (2420, 6614), (3307, 4840)]