13893280

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 33312384

約数和(自身を除く): 19419104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1223, 1420, 2272, 2446, 2840, 4892, 5680, 6115, 9784, 11360, 12230, 19568, 24460, 39136, 48920, 86833, 97840, 173666, 195680, 347332, 434165, 694664, 868330, 1389328, 1736660, 2778656, 3473320, 6946640, 13893280]

約数ペア:

[(1, 13893280), (2, 6946640), (4, 3473320), (5, 2778656), (8, 1736660), (10, 1389328), (16, 868330), (20, 694664), (32, 434165), (40, 347332), (71, 195680), (80, 173666), (142, 97840), (160, 86833), (284, 48920), (355, 39136), (568, 24460), (710, 19568), (1136, 12230), (1223, 11360), (1420, 9784), (2272, 6115), (2446, 5680), (2840, 4892)]