16986560

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 56

約数和(自身を含む): 40904160

約数和(自身を除く): 23917600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 487, 545, 872, 974, 1090, 1744, 1948, 2180, 2435, 3488, 3896, 4360, 4870, 6976, 7792, 8720, 9740, 15584, 17440, 19480, 31168, 34880, 38960, 53083, 77920, 106166, 155840, 212332, 265415, 424664, 530830, 849328, 1061660, 1698656, 2123320, 3397312, 4246640, 8493280, 16986560]

約数ペア:

[(1, 16986560), (2, 8493280), (4, 4246640), (5, 3397312), (8, 2123320), (10, 1698656), (16, 1061660), (20, 849328), (32, 530830), (40, 424664), (64, 265415), (80, 212332), (109, 155840), (160, 106166), (218, 77920), (320, 53083), (436, 38960), (487, 34880), (545, 31168), (872, 19480), (974, 17440), (1090, 15584), (1744, 9740), (1948, 8720), (2180, 7792), (2435, 6976), (3488, 4870), (3896, 4360)]