8548288520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{4157}}^1$

素因数の和:4778

約数の個数: 64

約数和(自身を含む): 19466924400

約数和(自身を除く): 10918635880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 509, 808, 1010, 1018, 2020, 2036, 2545, 4040, 4072, 4157, 5090, 8314, 10180, 16628, 20360, 20785, 33256, 41570, 51409, 83140, 102818, 166280, 205636, 257045, 411272, 419857, 514090, 839714, 1028180, 1679428, 2056360, 2099285, 2115913, 3358856, 4198570, 4231826, 8397140, 8463652, 10579565, 16794280, 16927304, 21159130, 42318260, 84636520, 213707213, 427414426, 854828852, 1068536065, 1709657704, 2137072130, 4274144260, 8548288520]

約数ペア:

[(1, 8548288520), (2, 4274144260), (4, 2137072130), (5, 1709657704), (8, 1068536065), (10, 854828852), (20, 427414426), (40, 213707213), (101, 84636520), (202, 42318260), (404, 21159130), (505, 16927304), (509, 16794280), (808, 10579565), (1010, 8463652), (1018, 8397140), (2020, 4231826), (2036, 4198570), (2545, 3358856), (4040, 2115913), (4072, 2099285), (4157, 2056360), (5090, 1679428), (8314, 1028180), (10180, 839714), (16628, 514090), (20360, 419857), (20785, 411272), (33256, 257045), (41570, 205636), (51409, 166280), (83140, 102818)]