55157480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{196991}}^1$

素因数の和:197009

約数の個数: 32

約数和(自身を含む): 141834240

約数和(自身を除く): 86676760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 196991, 393982, 787964, 984955, 1378937, 1575928, 1969910, 2757874, 3939820, 5515748, 6894685, 7879640, 11031496, 13789370, 27578740, 55157480]

約数ペア:

[(1, 55157480), (2, 27578740), (4, 13789370), (5, 11031496), (7, 7879640), (8, 6894685), (10, 5515748), (14, 3939820), (20, 2757874), (28, 1969910), (35, 1575928), (40, 1378937), (56, 984955), (70, 787964), (140, 393982), (280, 196991)]