8493280

素因数分解:

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

素因数の和:611

約数の個数: 48

約数和(自身を含む): 20291040

約数和(自身を除く): 11797760

約数列:

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

約数ペア:

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