2153148880

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{77563}}^1$

素因数の和:77923

約数の個数: 40

約数和(自身を含む): 5020562592

約数和(自身を除く): 2867413712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3470, 5552, 6940, 13880, 27760, 77563, 155126, 310252, 387815, 620504, 775630, 1241008, 1551260, 3102520, 6205040, 26914361, 53828722, 107657444, 134571805, 215314888, 269143610, 430629776, 538287220, 1076574440, 2153148880]

約数ペア:

[(1, 2153148880), (2, 1076574440), (4, 538287220), (5, 430629776), (8, 269143610), (10, 215314888), (16, 134571805), (20, 107657444), (40, 53828722), (80, 26914361), (347, 6205040), (694, 3102520), (1388, 1551260), (1735, 1241008), (2776, 775630), (3470, 620504), (5552, 387815), (6940, 310252), (13880, 155126), (27760, 77563)]