55171870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1091}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 107321760

約数和(自身を除く): 52149890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1091, 1945, 2182, 3890, 5057, 5455, 10114, 10910, 14183, 25285, 28366, 50570, 70915, 141830, 424399, 848798, 2121995, 4243990, 5517187, 11034374, 27585935, 55171870]

約数ペア:

[(1, 55171870), (2, 27585935), (5, 11034374), (10, 5517187), (13, 4243990), (26, 2121995), (65, 848798), (130, 424399), (389, 141830), (778, 70915), (1091, 50570), (1945, 28366), (2182, 25285), (3890, 14183), (5057, 10910), (5455, 10114)]