65205560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{232877}}^1$

素因数の和:232895

約数の個数: 32

約数和(自身を含む): 167672160

約数和(自身を除く): 102466600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 232877, 465754, 931508, 1164385, 1630139, 1863016, 2328770, 3260278, 4657540, 6520556, 8150695, 9315080, 13041112, 16301390, 32602780, 65205560]

約数ペア:

[(1, 65205560), (2, 32602780), (4, 16301390), (5, 13041112), (7, 9315080), (8, 8150695), (10, 6520556), (14, 4657540), (20, 3260278), (28, 2328770), (35, 1863016), (40, 1630139), (56, 1164385), (70, 931508), (140, 465754), (280, 232877)]