1320265984

素因数分解:

$2^8\times {\mathrm{1289}}^1\times {\mathrm{4001}}^1$

素因数の和:5306

約数の個数: 36

約数和(自身を含む): 2638078380

約数和(自身を除く): 1317812396

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1289, 2578, 4001, 5156, 8002, 10312, 16004, 20624, 32008, 41248, 64016, 82496, 128032, 164992, 256064, 329984, 512128, 1024256, 5157289, 10314578, 20629156, 41258312, 82516624, 165033248, 330066496, 660132992, 1320265984]

約数ペア:

[(1, 1320265984), (2, 660132992), (4, 330066496), (8, 165033248), (16, 82516624), (32, 41258312), (64, 20629156), (128, 10314578), (256, 5157289), (1289, 1024256), (2578, 512128), (4001, 329984), (5156, 256064), (8002, 164992), (10312, 128032), (16004, 82496), (20624, 64016), (32008, 41248)]