51286960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 129339936

約数和(自身を除く): 78052976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 877, 1360, 1462, 1720, 1754, 2924, 3440, 3508, 3655, 4385, 5848, 7016, 7310, 8770, 11696, 14032, 14620, 14909, 17540, 29240, 29818, 35080, 37711, 58480, 59636, 70160, 74545, 75422, 119272, 149090, 150844, 188555, 238544, 298180, 301688, 377110, 596360, 603376, 641087, 754220, 1192720, 1282174, 1508440, 2564348, 3016880, 3205435, 5128696, 6410870, 10257392, 12821740, 25643480, 51286960]

約数ペア:

[(1, 51286960), (2, 25643480), (4, 12821740), (5, 10257392), (8, 6410870), (10, 5128696), (16, 3205435), (17, 3016880), (20, 2564348), (34, 1508440), (40, 1282174), (43, 1192720), (68, 754220), (80, 641087), (85, 603376), (86, 596360), (136, 377110), (170, 301688), (172, 298180), (215, 238544), (272, 188555), (340, 150844), (344, 149090), (430, 119272), (680, 75422), (688, 74545), (731, 70160), (860, 59636), (877, 58480), (1360, 37711), (1462, 35080), (1720, 29818), (1754, 29240), (2924, 17540), (3440, 14909), (3508, 14620), (3655, 14032), (4385, 11696), (5848, 8770), (7016, 7310)]