26460040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4759}}^1$

素因数の和:4909

約数の個数: 32

約数和(自身を含む): 59976000

約数和(自身を除く): 33515960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4759, 5560, 9518, 19036, 23795, 38072, 47590, 95180, 190360, 661501, 1323002, 2646004, 3307505, 5292008, 6615010, 13230020, 26460040]

約数ペア:

[(1, 26460040), (2, 13230020), (4, 6615010), (5, 5292008), (8, 3307505), (10, 2646004), (20, 1323002), (40, 661501), (139, 190360), (278, 95180), (556, 47590), (695, 38072), (1112, 23795), (1390, 19036), (2780, 9518), (4759, 5560)]