79621120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15551}}^1$

素因数の和:15576

約数の個数: 44

約数和(自身を含む): 191009664

約数和(自身を除く): 111388544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 15551, 31102, 62204, 77755, 124408, 155510, 248816, 311020, 497632, 622040, 995264, 1244080, 1990528, 2488160, 3981056, 4976320, 7962112, 9952640, 15924224, 19905280, 39810560, 79621120]

約数ペア:

[(1, 79621120), (2, 39810560), (4, 19905280), (5, 15924224), (8, 9952640), (10, 7962112), (16, 4976320), (20, 3981056), (32, 2488160), (40, 1990528), (64, 1244080), (80, 995264), (128, 622040), (160, 497632), (256, 311020), (320, 248816), (512, 155510), (640, 124408), (1024, 77755), (1280, 62204), (2560, 31102), (5120, 15551)]