13827880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2857}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 34210260

約数和(自身を除く): 20382380

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, 2857, 4840, 5714, 11428, 14285, 22856, 28570, 31427, 57140, 62854, 114280, 125708, 157135, 251416, 314270, 345697, 628540, 691394, 1257080, 1382788, 1728485, 2765576, 3456970, 6913940, 13827880]

約数ペア:

[(1, 13827880), (2, 6913940), (4, 3456970), (5, 2765576), (8, 1728485), (10, 1382788), (11, 1257080), (20, 691394), (22, 628540), (40, 345697), (44, 314270), (55, 251416), (88, 157135), (110, 125708), (121, 114280), (220, 62854), (242, 57140), (440, 31427), (484, 28570), (605, 22856), (968, 14285), (1210, 11428), (2420, 5714), (2857, 4840)]