11497880

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 26006400

約数和(自身を除く): 14508520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1289, 1784, 2230, 2578, 4460, 5156, 6445, 8920, 10312, 12890, 25780, 51560, 287447, 574894, 1149788, 1437235, 2299576, 2874470, 5748940, 11497880]

約数ペア:

[(1, 11497880), (2, 5748940), (4, 2874470), (5, 2299576), (8, 1437235), (10, 1149788), (20, 574894), (40, 287447), (223, 51560), (446, 25780), (892, 12890), (1115, 10312), (1289, 8920), (1784, 6445), (2230, 5156), (2578, 4460)]