10786640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 25329480

約数和(自身を除く): 14542840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1237, 1744, 2180, 2474, 4360, 4948, 6185, 8720, 9896, 12370, 19792, 24740, 49480, 98960, 134833, 269666, 539332, 674165, 1078664, 1348330, 2157328, 2696660, 5393320, 10786640]

約数ペア:

[(1, 10786640), (2, 5393320), (4, 2696660), (5, 2157328), (8, 1348330), (10, 1078664), (16, 674165), (20, 539332), (40, 269666), (80, 134833), (109, 98960), (218, 49480), (436, 24740), (545, 19792), (872, 12370), (1090, 9896), (1237, 8720), (1744, 6185), (2180, 4948), (2474, 4360)]