56645420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16759}}^1$

素因数の和:16794

約数の個数: 36

約数和(自身を含む): 128817360

約数和(自身を除く): 72171940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 16759, 33518, 67036, 83795, 167590, 217867, 335180, 435734, 871468, 1089335, 2178670, 2832271, 4357340, 5664542, 11329084, 14161355, 28322710, 56645420]

約数ペア:

[(1, 56645420), (2, 28322710), (4, 14161355), (5, 11329084), (10, 5664542), (13, 4357340), (20, 2832271), (26, 2178670), (52, 1089335), (65, 871468), (130, 435734), (169, 335180), (260, 217867), (338, 167590), (676, 83795), (845, 67036), (1690, 33518), (3380, 16759)]