126688180

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{13007}}^1$

素因数の和:13503

約数の個数: 24

約数和(自身を含む): 266611968

約数和(自身を除く): 139923788

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 13007, 26014, 52028, 65035, 130070, 260140, 6334409, 12668818, 25337636, 31672045, 63344090, 126688180]

約数ペア:

[(1, 126688180), (2, 63344090), (4, 31672045), (5, 25337636), (10, 12668818), (20, 6334409), (487, 260140), (974, 130070), (1948, 65035), (2435, 52028), (4870, 26014), (9740, 13007)]