138249340

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{6653}}^1$

素因数の和:7701

約数の個数: 24

約数和(自身を含む): 290646720

約数和(自身を除く): 152397380

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 6653, 10390, 13306, 20780, 26612, 33265, 66530, 133060, 6912467, 13824934, 27649868, 34562335, 69124670, 138249340]

約数ペア:

[(1, 138249340), (2, 69124670), (4, 34562335), (5, 27649868), (10, 13824934), (20, 6912467), (1039, 133060), (2078, 66530), (4156, 33265), (5195, 26612), (6653, 20780), (10390, 13306)]