66941680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 168989184

約数和(自身を除く): 102047504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 337, 382, 520, 674, 764, 955, 1040, 1348, 1528, 1685, 1910, 2483, 2696, 3056, 3370, 3820, 4381, 4966, 5392, 6740, 7640, 8762, 9932, 12415, 13480, 15280, 17524, 19864, 21905, 24830, 26960, 35048, 39728, 43810, 49660, 64367, 70096, 87620, 99320, 128734, 175240, 198640, 257468, 321835, 350480, 514936, 643670, 836771, 1029872, 1287340, 1673542, 2574680, 3347084, 4183855, 5149360, 6694168, 8367710, 13388336, 16735420, 33470840, 66941680]

約数ペア:

[(1, 66941680), (2, 33470840), (4, 16735420), (5, 13388336), (8, 8367710), (10, 6694168), (13, 5149360), (16, 4183855), (20, 3347084), (26, 2574680), (40, 1673542), (52, 1287340), (65, 1029872), (80, 836771), (104, 643670), (130, 514936), (191, 350480), (208, 321835), (260, 257468), (337, 198640), (382, 175240), (520, 128734), (674, 99320), (764, 87620), (955, 70096), (1040, 64367), (1348, 49660), (1528, 43810), (1685, 39728), (1910, 35048), (2483, 26960), (2696, 24830), (3056, 21905), (3370, 19864), (3820, 17524), (4381, 15280), (4966, 13480), (5392, 12415), (6740, 9932), (7640, 8762)]