51718940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 135268224

約数和(自身を除く): 83549284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 157, 181, 182, 260, 314, 362, 364, 455, 628, 724, 785, 905, 910, 1099, 1267, 1570, 1810, 1820, 2041, 2198, 2353, 2534, 3140, 3620, 4082, 4396, 4706, 5068, 5495, 6335, 8164, 9412, 10205, 10990, 11765, 12670, 14287, 16471, 20410, 21980, 23530, 25340, 28417, 28574, 32942, 40820, 47060, 56834, 57148, 65884, 71435, 82355, 113668, 142085, 142870, 164710, 198919, 284170, 285740, 329420, 369421, 397838, 568340, 738842, 795676, 994595, 1477684, 1847105, 1989190, 2585947, 3694210, 3978380, 5171894, 7388420, 10343788, 12929735, 25859470, 51718940]

約数ペア:

[(1, 51718940), (2, 25859470), (4, 12929735), (5, 10343788), (7, 7388420), (10, 5171894), (13, 3978380), (14, 3694210), (20, 2585947), (26, 1989190), (28, 1847105), (35, 1477684), (52, 994595), (65, 795676), (70, 738842), (91, 568340), (130, 397838), (140, 369421), (157, 329420), (181, 285740), (182, 284170), (260, 198919), (314, 164710), (362, 142870), (364, 142085), (455, 113668), (628, 82355), (724, 71435), (785, 65884), (905, 57148), (910, 56834), (1099, 47060), (1267, 40820), (1570, 32942), (1810, 28574), (1820, 28417), (2041, 25340), (2198, 23530), (2353, 21980), (2534, 20410), (3140, 16471), (3620, 14287), (4082, 12670), (4396, 11765), (4706, 10990), (5068, 10205), (5495, 9412), (6335, 8164)]