25868920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 74856960

約数和(自身を除く): 48988040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 227, 259, 280, 296, 308, 370, 385, 407, 440, 454, 518, 616, 740, 770, 814, 908, 1036, 1135, 1295, 1480, 1540, 1589, 1628, 1816, 2035, 2072, 2270, 2497, 2590, 2849, 3080, 3178, 3256, 4070, 4540, 4994, 5180, 5698, 6356, 7945, 8140, 8399, 9080, 9988, 10360, 11396, 12485, 12712, 14245, 15890, 16280, 16798, 17479, 19976, 22792, 24970, 28490, 31780, 33596, 34958, 41995, 49940, 56980, 58793, 63560, 67192, 69916, 83990, 87395, 92389, 99880, 113960, 117586, 139832, 167980, 174790, 184778, 235172, 293965, 335960, 349580, 369556, 461945, 470344, 587930, 646723, 699160, 739112, 923890, 1175860, 1293446, 1847780, 2351720, 2586892, 3233615, 3695560, 5173784, 6467230, 12934460, 25868920]

約数ペア:

[(1, 25868920), (2, 12934460), (4, 6467230), (5, 5173784), (7, 3695560), (8, 3233615), (10, 2586892), (11, 2351720), (14, 1847780), (20, 1293446), (22, 1175860), (28, 923890), (35, 739112), (37, 699160), (40, 646723), (44, 587930), (55, 470344), (56, 461945), (70, 369556), (74, 349580), (77, 335960), (88, 293965), (110, 235172), (140, 184778), (148, 174790), (154, 167980), (185, 139832), (220, 117586), (227, 113960), (259, 99880), (280, 92389), (296, 87395), (308, 83990), (370, 69916), (385, 67192), (407, 63560), (440, 58793), (454, 56980), (518, 49940), (616, 41995), (740, 34958), (770, 33596), (814, 31780), (908, 28490), (1036, 24970), (1135, 22792), (1295, 19976), (1480, 17479), (1540, 16798), (1589, 16280), (1628, 15890), (1816, 14245), (2035, 12712), (2072, 12485), (2270, 11396), (2497, 10360), (2590, 9988), (2849, 9080), (3080, 8399), (3178, 8140), (3256, 7945), (4070, 6356), (4540, 5698), (4994, 5180)]