2437940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 5187840

約数和(自身を除く): 2749900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1543, 1580, 3086, 6172, 7715, 15430, 30860, 121897, 243794, 487588, 609485, 1218970, 2437940]

約数ペア:

[(1, 2437940), (2, 1218970), (4, 609485), (5, 487588), (10, 243794), (20, 121897), (79, 30860), (158, 15430), (316, 7715), (395, 6172), (790, 3086), (1543, 1580)]