130510780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{91909}}^1$

素因数の和:91989

約数の個数: 24

約数和(自身を含む): 277935840

約数和(自身を除く): 147425060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 91909, 183818, 367636, 459545, 919090, 1838180, 6525539, 13051078, 26102156, 32627695, 65255390, 130510780]

約数ペア:

[(1, 130510780), (2, 65255390), (4, 32627695), (5, 26102156), (10, 13051078), (20, 6525539), (71, 1838180), (142, 919090), (284, 459545), (355, 367636), (710, 183818), (1420, 91909)]