40137890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1091}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 78152256

約数和(自身を除く): 38014366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 1091, 1415, 2182, 2830, 3679, 5455, 7358, 10910, 14183, 18395, 28366, 36790, 70915, 141830, 308753, 617506, 1543765, 3087530, 4013789, 8027578, 20068945, 40137890]

約数ペア:

[(1, 40137890), (2, 20068945), (5, 8027578), (10, 4013789), (13, 3087530), (26, 1543765), (65, 617506), (130, 308753), (283, 141830), (566, 70915), (1091, 36790), (1415, 28366), (2182, 18395), (2830, 14183), (3679, 10910), (5455, 7358)]