12312940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7793}}^1$

素因数の和:7881

約数の個数: 24

約数和(自身を含む): 26187840

約数和(自身を除く): 13874900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 7793, 15586, 31172, 38965, 77930, 155860, 615647, 1231294, 2462588, 3078235, 6156470, 12312940]

約数ペア:

[(1, 12312940), (2, 6156470), (4, 3078235), (5, 2462588), (10, 1231294), (20, 615647), (79, 155860), (158, 77930), (316, 38965), (395, 31172), (790, 15586), (1580, 7793)]