72309157040

素因数分解:

$2^4\times 5^1\times {\mathrm{19919}}^1\times {\mathrm{45377}}^1$

素因数の和:65309

約数の個数: 40

約数和(自身を含む): 168130935360

約数和(自身を除く): 95821778320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19919, 39838, 45377, 79676, 90754, 99595, 159352, 181508, 199190, 226885, 318704, 363016, 398380, 453770, 726032, 796760, 907540, 1593520, 1815080, 3630160, 903864463, 1807728926, 3615457852, 4519322315, 7230915704, 9038644630, 14461831408, 18077289260, 36154578520, 72309157040]

約数ペア:

[(1, 72309157040), (2, 36154578520), (4, 18077289260), (5, 14461831408), (8, 9038644630), (10, 7230915704), (16, 4519322315), (20, 3615457852), (40, 1807728926), (80, 903864463), (19919, 3630160), (39838, 1815080), (45377, 1593520), (79676, 907540), (90754, 796760), (99595, 726032), (159352, 453770), (181508, 398380), (199190, 363016), (226885, 318704)]