2023680040

素因数分解:

$2^3\times 5^1\times {\mathrm{3889}}^1\times {\mathrm{13009}}^1$

素因数の和:16909

約数の個数: 32

約数和(自身を含む): 4554801000

約数和(自身を除く): 2531120960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3889, 7778, 13009, 15556, 19445, 26018, 31112, 38890, 52036, 65045, 77780, 104072, 130090, 155560, 260180, 520360, 50592001, 101184002, 202368004, 252960005, 404736008, 505920010, 1011840020, 2023680040]

約数ペア:

[(1, 2023680040), (2, 1011840020), (4, 505920010), (5, 404736008), (8, 252960005), (10, 202368004), (20, 101184002), (40, 50592001), (3889, 520360), (7778, 260180), (13009, 155560), (15556, 130090), (19445, 104072), (26018, 77780), (31112, 65045), (38890, 52036)]