2186440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 5028480

約数和(自身を除く): 2842040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1163, 1880, 2326, 4652, 5815, 9304, 11630, 23260, 46520, 54661, 109322, 218644, 273305, 437288, 546610, 1093220, 2186440]

約数ペア:

[(1, 2186440), (2, 1093220), (4, 546610), (5, 437288), (8, 273305), (10, 218644), (20, 109322), (40, 54661), (47, 46520), (94, 23260), (188, 11630), (235, 9304), (376, 5815), (470, 4652), (940, 2326), (1163, 1880)]