9952880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2539}}^1$

素因数の和:2566

約数の個数: 60

約数和(自身を含む): 26929080

約数和(自身を除く): 16976200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2539, 3920, 5078, 10156, 12695, 17773, 20312, 25390, 35546, 40624, 50780, 71092, 88865, 101560, 124411, 142184, 177730, 203120, 248822, 284368, 355460, 497644, 622055, 710920, 995288, 1244110, 1421840, 1990576, 2488220, 4976440, 9952880]

約数ペア:

[(1, 9952880), (2, 4976440), (4, 2488220), (5, 1990576), (7, 1421840), (8, 1244110), (10, 995288), (14, 710920), (16, 622055), (20, 497644), (28, 355460), (35, 284368), (40, 248822), (49, 203120), (56, 177730), (70, 142184), (80, 124411), (98, 101560), (112, 88865), (140, 71092), (196, 50780), (245, 40624), (280, 35546), (392, 25390), (490, 20312), (560, 17773), (784, 12695), (980, 10156), (1960, 5078), (2539, 3920)]