2560840165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{6607}}^1$

素因数の和:6781

約数の個数: 32

約数和(自身を含む): 3397040640

約数和(自身を除く): 836200475

約数列:

[1, 5, 13, 65, 67, 89, 335, 445, 871, 1157, 4355, 5785, 5963, 6607, 29815, 33035, 77519, 85891, 387595, 429455, 442669, 588023, 2213345, 2940115, 5754697, 7644299, 28773485, 38221495, 39397541, 196987705, 512168033, 2560840165]

約数ペア:

[(1, 2560840165), (5, 512168033), (13, 196987705), (65, 39397541), (67, 38221495), (89, 28773485), (335, 7644299), (445, 5754697), (871, 2940115), (1157, 2213345), (4355, 588023), (5785, 442669), (5963, 429455), (6607, 387595), (29815, 85891), (33035, 77519)]