127772800

素因数分解:

$2^7\times 5^2\times {\mathrm{39929}}^1$

素因数の和:39953

約数の個数: 48

約数和(自身を含む): 315646650

約数和(自身を除く): 187873850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 39929, 79858, 159716, 199645, 319432, 399290, 638864, 798580, 998225, 1277728, 1597160, 1996450, 2555456, 3194320, 3992900, 5110912, 6388640, 7985800, 12777280, 15971600, 25554560, 31943200, 63886400, 127772800]

約数ペア:

[(1, 127772800), (2, 63886400), (4, 31943200), (5, 25554560), (8, 15971600), (10, 12777280), (16, 7985800), (20, 6388640), (25, 5110912), (32, 3992900), (40, 3194320), (50, 2555456), (64, 1996450), (80, 1597160), (100, 1277728), (128, 998225), (160, 798580), (200, 638864), (320, 399290), (400, 319432), (640, 199645), (800, 159716), (1600, 79858), (3200, 39929)]