54127060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 122950800

約数和(自身を除く): 68823740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 509, 818, 1018, 1636, 2036, 2045, 2545, 4090, 5090, 5317, 6617, 8180, 10180, 10634, 13234, 21268, 26468, 26585, 33085, 53170, 66170, 106340, 132340, 208181, 416362, 832724, 1040905, 2081810, 2706353, 4163620, 5412706, 10825412, 13531765, 27063530, 54127060]

約数ペア:

[(1, 54127060), (2, 27063530), (4, 13531765), (5, 10825412), (10, 5412706), (13, 4163620), (20, 2706353), (26, 2081810), (52, 1040905), (65, 832724), (130, 416362), (260, 208181), (409, 132340), (509, 106340), (818, 66170), (1018, 53170), (1636, 33085), (2036, 26585), (2045, 26468), (2545, 21268), (4090, 13234), (5090, 10634), (5317, 10180), (6617, 8180)]