80719415

素因数分解:

$5^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{577}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 113070672

約数和(自身を除く): 32351257

約数列:

[1, 5, 7, 35, 49, 245, 571, 577, 2855, 2885, 3997, 4039, 19985, 20195, 27979, 28273, 139895, 141365, 329467, 1647335, 2306269, 11531345, 16143883, 80719415]

約数ペア:

[(1, 80719415), (5, 16143883), (7, 11531345), (35, 2306269), (49, 1647335), (245, 329467), (571, 141365), (577, 139895), (2855, 28273), (2885, 27979), (3997, 20195), (4039, 19985)]