26794820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 60985008

約数和(自身を除く): 34190188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 401, 514, 802, 1028, 1285, 1604, 2005, 2570, 3341, 4010, 5140, 5213, 6682, 8020, 10426, 13364, 16705, 20852, 26065, 33410, 52130, 66820, 103057, 104260, 206114, 412228, 515285, 1030570, 1339741, 2061140, 2679482, 5358964, 6698705, 13397410, 26794820]

約数ペア:

[(1, 26794820), (2, 13397410), (4, 6698705), (5, 5358964), (10, 2679482), (13, 2061140), (20, 1339741), (26, 1030570), (52, 515285), (65, 412228), (130, 206114), (257, 104260), (260, 103057), (401, 66820), (514, 52130), (802, 33410), (1028, 26065), (1285, 20852), (1604, 16705), (2005, 13364), (2570, 10426), (3341, 8020), (4010, 6682), (5140, 5213)]