11445520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1903

約数の個数: 40

約数和(自身を含む): 26962560

約数和(自身を除く): 15517040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 1811, 3160, 3622, 6320, 7244, 9055, 14488, 18110, 28976, 36220, 72440, 143069, 144880, 286138, 572276, 715345, 1144552, 1430690, 2289104, 2861380, 5722760, 11445520]

約数ペア:

[(1, 11445520), (2, 5722760), (4, 2861380), (5, 2289104), (8, 1430690), (10, 1144552), (16, 715345), (20, 572276), (40, 286138), (79, 144880), (80, 143069), (158, 72440), (316, 36220), (395, 28976), (632, 18110), (790, 14488), (1264, 9055), (1580, 7244), (1811, 6320), (3160, 3622)]