12659840

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 30697920

約数和(自身を除く): 18038080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 151, 160, 262, 302, 320, 524, 604, 640, 655, 755, 1048, 1208, 1310, 1510, 2096, 2416, 2620, 3020, 4192, 4832, 5240, 6040, 8384, 9664, 10480, 12080, 16768, 19328, 19781, 20960, 24160, 39562, 41920, 48320, 79124, 83840, 96640, 98905, 158248, 197810, 316496, 395620, 632992, 791240, 1265984, 1582480, 2531968, 3164960, 6329920, 12659840]

約数ペア:

[(1, 12659840), (2, 6329920), (4, 3164960), (5, 2531968), (8, 1582480), (10, 1265984), (16, 791240), (20, 632992), (32, 395620), (40, 316496), (64, 197810), (80, 158248), (128, 98905), (131, 96640), (151, 83840), (160, 79124), (262, 48320), (302, 41920), (320, 39562), (524, 24160), (604, 20960), (640, 19781), (655, 19328), (755, 16768), (1048, 12080), (1208, 10480), (1310, 9664), (1510, 8384), (2096, 6040), (2416, 5240), (2620, 4832), (3020, 4192)]