42880040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4139}}^1$

素因数の和:4194

約数の個数: 64

約数和(自身を含む): 113270400

約数和(自身を除く): 70390360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 4139, 5180, 8278, 10360, 16556, 20695, 28973, 33112, 41390, 57946, 82780, 115892, 144865, 153143, 165560, 231784, 289730, 306286, 579460, 612572, 765715, 1072001, 1158920, 1225144, 1531430, 2144002, 3062860, 4288004, 5360005, 6125720, 8576008, 10720010, 21440020, 42880040]

約数ペア:

[(1, 42880040), (2, 21440020), (4, 10720010), (5, 8576008), (7, 6125720), (8, 5360005), (10, 4288004), (14, 3062860), (20, 2144002), (28, 1531430), (35, 1225144), (37, 1158920), (40, 1072001), (56, 765715), (70, 612572), (74, 579460), (140, 306286), (148, 289730), (185, 231784), (259, 165560), (280, 153143), (296, 144865), (370, 115892), (518, 82780), (740, 57946), (1036, 41390), (1295, 33112), (1480, 28973), (2072, 20695), (2590, 16556), (4139, 10360), (5180, 8278)]