12282040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 28438200

約数和(自身を除く): 16156160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 139, 188, 235, 278, 376, 470, 556, 695, 940, 1112, 1390, 1880, 2209, 2780, 4418, 5560, 6533, 8836, 11045, 13066, 17672, 22090, 26132, 32665, 44180, 52264, 65330, 88360, 130660, 261320, 307051, 614102, 1228204, 1535255, 2456408, 3070510, 6141020, 12282040]

約数ペア:

[(1, 12282040), (2, 6141020), (4, 3070510), (5, 2456408), (8, 1535255), (10, 1228204), (20, 614102), (40, 307051), (47, 261320), (94, 130660), (139, 88360), (188, 65330), (235, 52264), (278, 44180), (376, 32665), (470, 26132), (556, 22090), (695, 17672), (940, 13066), (1112, 11045), (1390, 8836), (1880, 6533), (2209, 5560), (2780, 4418)]