13260640

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 31821552

約数和(自身を除く): 18560912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1237, 1340, 2144, 2474, 2680, 4948, 5360, 6185, 9896, 10720, 12370, 19792, 24740, 39584, 49480, 82879, 98960, 165758, 197920, 331516, 414395, 663032, 828790, 1326064, 1657580, 2652128, 3315160, 6630320, 13260640]

約数ペア:

[(1, 13260640), (2, 6630320), (4, 3315160), (5, 2652128), (8, 1657580), (10, 1326064), (16, 828790), (20, 663032), (32, 414395), (40, 331516), (67, 197920), (80, 165758), (134, 98960), (160, 82879), (268, 49480), (335, 39584), (536, 24740), (670, 19792), (1072, 12370), (1237, 10720), (1340, 9896), (2144, 6185), (2474, 5360), (2680, 4948)]