2488960

素因数分解:

$2^7\times 5^1\times {\mathrm{3889}}^1$

素因数の和:3908

約数の個数: 32

約数和(自身を含む): 5951700

約数和(自身を除く): 3462740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3889, 7778, 15556, 19445, 31112, 38890, 62224, 77780, 124448, 155560, 248896, 311120, 497792, 622240, 1244480, 2488960]

約数ペア:

[(1, 2488960), (2, 1244480), (4, 622240), (5, 497792), (8, 311120), (10, 248896), (16, 155560), (20, 124448), (32, 77780), (40, 62224), (64, 38890), (80, 31112), (128, 19445), (160, 15556), (320, 7778), (640, 3889)]