12854620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 28068768

約数和(自身を除く): 15214148

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 181, 212, 265, 268, 335, 362, 530, 670, 724, 905, 1060, 1340, 1810, 3551, 3620, 7102, 9593, 12127, 14204, 17755, 19186, 24254, 35510, 38372, 47965, 48508, 60635, 71020, 95930, 121270, 191860, 242540, 642731, 1285462, 2570924, 3213655, 6427310, 12854620]

約数ペア:

[(1, 12854620), (2, 6427310), (4, 3213655), (5, 2570924), (10, 1285462), (20, 642731), (53, 242540), (67, 191860), (106, 121270), (134, 95930), (181, 71020), (212, 60635), (265, 48508), (268, 47965), (335, 38372), (362, 35510), (530, 24254), (670, 19186), (724, 17755), (905, 14204), (1060, 12127), (1340, 9593), (1810, 7102), (3551, 3620)]