156063940

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{3943}}^1$

素因数の和:5931

約数の個数: 24

約数和(自身を含む): 327983040

約数和(自身を除く): 171919100

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3943, 3958, 7886, 7916, 9895, 15772, 19715, 19790, 39430, 39580, 78860, 7803197, 15606394, 31212788, 39015985, 78031970, 156063940]

約数ペア:

[(1, 156063940), (2, 78031970), (4, 39015985), (5, 31212788), (10, 15606394), (20, 7803197), (1979, 78860), (3943, 39580), (3958, 39430), (7886, 19790), (7916, 19715), (9895, 15772)]