13108120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7621}}^1$

素因数の和:7675

約数の個数: 32

約数和(自身を含む): 30183120

約数和(自身を除く): 17075000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7621, 15242, 30484, 38105, 60968, 76210, 152420, 304840, 327703, 655406, 1310812, 1638515, 2621624, 3277030, 6554060, 13108120]

約数ペア:

[(1, 13108120), (2, 6554060), (4, 3277030), (5, 2621624), (8, 1638515), (10, 1310812), (20, 655406), (40, 327703), (43, 304840), (86, 152420), (172, 76210), (215, 60968), (344, 38105), (430, 30484), (860, 15242), (1720, 7621)]