137403880

素因数分解:

$2^3\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{2029}}^1$

素因数の和:3733

約数の個数: 32

約数和(自身を含む): 309493800

約数和(自身を除く): 172089920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1693, 2029, 3386, 4058, 6772, 8116, 8465, 10145, 13544, 16232, 16930, 20290, 33860, 40580, 67720, 81160, 3435097, 6870194, 13740388, 17175485, 27480776, 34350970, 68701940, 137403880]

約数ペア:

[(1, 137403880), (2, 68701940), (4, 34350970), (5, 27480776), (8, 17175485), (10, 13740388), (20, 6870194), (40, 3435097), (1693, 81160), (2029, 67720), (3386, 40580), (4058, 33860), (6772, 20290), (8116, 16930), (8465, 16232), (10145, 13544)]