130197580

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6569}}^1$

素因数の和:7569

約数の個数: 24

約数和(自身を含む): 273732480

約数和(自身を除く): 143534900

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 6569, 9910, 13138, 19820, 26276, 32845, 65690, 131380, 6509879, 13019758, 26039516, 32549395, 65098790, 130197580]

約数ペア:

[(1, 130197580), (2, 65098790), (4, 32549395), (5, 26039516), (10, 13019758), (20, 6509879), (991, 131380), (1982, 65690), (3964, 32845), (4955, 26276), (6569, 19820), (9910, 13138)]