87417220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397351}}^1$

素因数の和:397371

約数の個数: 24

約数和(自身を含む): 200265408

約数和(自身を除く): 112848188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397351, 794702, 1589404, 1986755, 3973510, 4370861, 7947020, 8741722, 17483444, 21854305, 43708610, 87417220]

約数ペア:

[(1, 87417220), (2, 43708610), (4, 21854305), (5, 17483444), (10, 8741722), (11, 7947020), (20, 4370861), (22, 3973510), (44, 1986755), (55, 1589404), (110, 794702), (220, 397351)]