4246640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 9984480

約数和(自身を除く): 5737840

約数列:

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

約数ペア:

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