27512680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 67289040

約数和(自身を除く): 39776360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 337, 520, 628, 674, 785, 1256, 1348, 1570, 1685, 2041, 2696, 3140, 3370, 4082, 4381, 6280, 6740, 8164, 8762, 10205, 13480, 16328, 17524, 20410, 21905, 35048, 40820, 43810, 52909, 81640, 87620, 105818, 175240, 211636, 264545, 423272, 529090, 687817, 1058180, 1375634, 2116360, 2751268, 3439085, 5502536, 6878170, 13756340, 27512680]

約数ペア:

[(1, 27512680), (2, 13756340), (4, 6878170), (5, 5502536), (8, 3439085), (10, 2751268), (13, 2116360), (20, 1375634), (26, 1058180), (40, 687817), (52, 529090), (65, 423272), (104, 264545), (130, 211636), (157, 175240), (260, 105818), (314, 87620), (337, 81640), (520, 52909), (628, 43810), (674, 40820), (785, 35048), (1256, 21905), (1348, 20410), (1570, 17524), (1685, 16328), (2041, 13480), (2696, 10205), (3140, 8762), (3370, 8164), (4082, 6740), (4381, 6280)]