220193920

素因数分解:

$2^7\times 5^1\times {\mathrm{344053}}^1$

素因数の和:344072

約数の個数: 32

約数和(自身を含む): 526402620

約数和(自身を除く): 306208700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 344053, 688106, 1376212, 1720265, 2752424, 3440530, 5504848, 6881060, 11009696, 13762120, 22019392, 27524240, 44038784, 55048480, 110096960, 220193920]

約数ペア:

[(1, 220193920), (2, 110096960), (4, 55048480), (5, 44038784), (8, 27524240), (10, 22019392), (16, 13762120), (20, 11009696), (32, 6881060), (40, 5504848), (64, 3440530), (80, 2752424), (128, 1720265), (160, 1376212), (320, 688106), (640, 344053)]