401502880

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19759}}^1$

素因数の和:19901

約数の個数: 48

約数和(自身を含む): 956067840

約数和(自身を除く): 554564960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 19759, 20320, 39518, 79036, 98795, 158072, 197590, 316144, 395180, 632288, 790360, 1580720, 2509393, 3161440, 5018786, 10037572, 12546965, 20075144, 25093930, 40150288, 50187860, 80300576, 100375720, 200751440, 401502880]

約数ペア:

[(1, 401502880), (2, 200751440), (4, 100375720), (5, 80300576), (8, 50187860), (10, 40150288), (16, 25093930), (20, 20075144), (32, 12546965), (40, 10037572), (80, 5018786), (127, 3161440), (160, 2509393), (254, 1580720), (508, 790360), (635, 632288), (1016, 395180), (1270, 316144), (2032, 197590), (2540, 158072), (4064, 98795), (5080, 79036), (10160, 39518), (19759, 20320)]