129408890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{1249}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 251370000

約数和(自身を除く): 121961110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 797, 1249, 1594, 2498, 3985, 6245, 7970, 10361, 12490, 16237, 20722, 32474, 51805, 81185, 103610, 162370, 995453, 1990906, 4977265, 9954530, 12940889, 25881778, 64704445, 129408890]

約数ペア:

[(1, 129408890), (2, 64704445), (5, 25881778), (10, 12940889), (13, 9954530), (26, 4977265), (65, 1990906), (130, 995453), (797, 162370), (1249, 103610), (1594, 81185), (2498, 51805), (3985, 32474), (6245, 20722), (7970, 16237), (10361, 12490)]