13009280

素因数分解:

$2^7\times 5^1\times {\mathrm{20327}}^1$

素因数の和:20346

約数の個数: 32

約数和(自身を含む): 31101840

約数和(自身を除く): 18092560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20327, 40654, 81308, 101635, 162616, 203270, 325232, 406540, 650464, 813080, 1300928, 1626160, 2601856, 3252320, 6504640, 13009280]

約数ペア:

[(1, 13009280), (2, 6504640), (4, 3252320), (5, 2601856), (8, 1626160), (10, 1300928), (16, 813080), (20, 650464), (32, 406540), (40, 325232), (64, 203270), (80, 162616), (128, 101635), (160, 81308), (320, 40654), (640, 20327)]