8068840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 11889560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 263, 295, 472, 520, 526, 590, 767, 1052, 1180, 1315, 1534, 2104, 2360, 2630, 3068, 3419, 3835, 5260, 6136, 6838, 7670, 10520, 13676, 15340, 15517, 17095, 27352, 30680, 31034, 34190, 62068, 68380, 77585, 124136, 136760, 155170, 201721, 310340, 403442, 620680, 806884, 1008605, 1613768, 2017210, 4034420, 8068840]

約数ペア:

[(1, 8068840), (2, 4034420), (4, 2017210), (5, 1613768), (8, 1008605), (10, 806884), (13, 620680), (20, 403442), (26, 310340), (40, 201721), (52, 155170), (59, 136760), (65, 124136), (104, 77585), (118, 68380), (130, 62068), (236, 34190), (260, 31034), (263, 30680), (295, 27352), (472, 17095), (520, 15517), (526, 15340), (590, 13676), (767, 10520), (1052, 7670), (1180, 6838), (1315, 6136), (1534, 5260), (2104, 3835), (2360, 3419), (2630, 3068)]