79853800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30713}}^1$

素因数の和:30742

約数の個数: 48

約数和(自身を含む): 199948140

約数和(自身を除く): 120094340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30713, 61426, 122852, 153565, 245704, 307130, 399269, 614260, 767825, 798538, 1228520, 1535650, 1597076, 1996345, 3071300, 3194152, 3992690, 6142600, 7985380, 9981725, 15970760, 19963450, 39926900, 79853800]

約数ペア:

[(1, 79853800), (2, 39926900), (4, 19963450), (5, 15970760), (8, 9981725), (10, 7985380), (13, 6142600), (20, 3992690), (25, 3194152), (26, 3071300), (40, 1996345), (50, 1597076), (52, 1535650), (65, 1228520), (100, 798538), (104, 767825), (130, 614260), (200, 399269), (260, 307130), (325, 245704), (520, 153565), (650, 122852), (1300, 61426), (2600, 30713)]