5280993880

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{205967}}^1$

素因数の和:206619

約数の個数: 32

約数和(自身を含む): 11900831040

約数和(自身を除く): 6619837160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 205967, 411934, 823868, 1029835, 1647736, 2059670, 4119340, 8238680, 132024847, 264049694, 528099388, 660124235, 1056198776, 1320248470, 2640496940, 5280993880]

約数ペア:

[(1, 5280993880), (2, 2640496940), (4, 1320248470), (5, 1056198776), (8, 660124235), (10, 528099388), (20, 264049694), (40, 132024847), (641, 8238680), (1282, 4119340), (2564, 2059670), (3205, 1647736), (5128, 1029835), (6410, 823868), (12820, 411934), (25640, 205967)]