2016289520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{25903}}^1$

素因数の和:26062

約数の個数: 80

約数和(自身を含む): 5396321280

約数和(自身を除く): 3380031760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3892, 4865, 5560, 7784, 9730, 11120, 15568, 19460, 25903, 38920, 51806, 77840, 103612, 129515, 181321, 207224, 259030, 362642, 414448, 518060, 725284, 906605, 1036120, 1450568, 1813210, 2072240, 2901136, 3600517, 3626420, 7201034, 7252840, 14402068, 14505680, 18002585, 25203619, 28804136, 36005170, 50407238, 57608272, 72010340, 100814476, 126018095, 144020680, 201628952, 252036190, 288041360, 403257904, 504072380, 1008144760, 2016289520]

約数ペア:

[(1, 2016289520), (2, 1008144760), (4, 504072380), (5, 403257904), (7, 288041360), (8, 252036190), (10, 201628952), (14, 144020680), (16, 126018095), (20, 100814476), (28, 72010340), (35, 57608272), (40, 50407238), (56, 36005170), (70, 28804136), (80, 25203619), (112, 18002585), (139, 14505680), (140, 14402068), (278, 7252840), (280, 7201034), (556, 3626420), (560, 3600517), (695, 2901136), (973, 2072240), (1112, 1813210), (1390, 1450568), (1946, 1036120), (2224, 906605), (2780, 725284), (3892, 518060), (4865, 414448), (5560, 362642), (7784, 259030), (9730, 207224), (11120, 181321), (15568, 129515), (19460, 103612), (25903, 77840), (38920, 51806)]