139940540

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{18269}}^1$

素因数の和:18661

約数の個数: 24

約数和(自身を含む): 294658560

約数和(自身を除く): 154718020

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 18269, 36538, 73076, 91345, 182690, 365380, 6997027, 13994054, 27988108, 34985135, 69970270, 139940540]

約数ペア:

[(1, 139940540), (2, 69970270), (4, 34985135), (5, 27988108), (10, 13994054), (20, 6997027), (383, 365380), (766, 182690), (1532, 91345), (1915, 73076), (3830, 36538), (7660, 18269)]