89144560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10223}}^1$

素因数の和:10345

約数の個数: 40

約数和(自身を含む): 209183040

約数和(自身を除く): 120038480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 10223, 20446, 40892, 51115, 81784, 102230, 163568, 204460, 408920, 817840, 1114307, 2228614, 4457228, 5571535, 8914456, 11143070, 17828912, 22286140, 44572280, 89144560]

約数ペア:

[(1, 89144560), (2, 44572280), (4, 22286140), (5, 17828912), (8, 11143070), (10, 8914456), (16, 5571535), (20, 4457228), (40, 2228614), (80, 1114307), (109, 817840), (218, 408920), (436, 204460), (545, 163568), (872, 102230), (1090, 81784), (1744, 51115), (2180, 40892), (4360, 20446), (8720, 10223)]