25585040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 65131248

約数和(自身を除く): 39546208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 337, 365, 520, 584, 674, 730, 949, 1040, 1168, 1348, 1460, 1685, 1898, 2696, 2920, 3370, 3796, 4381, 4745, 5392, 5840, 6740, 7592, 8762, 9490, 13480, 15184, 17524, 18980, 21905, 24601, 26960, 35048, 37960, 43810, 49202, 70096, 75920, 87620, 98404, 123005, 175240, 196808, 246010, 319813, 350480, 393616, 492020, 639626, 984040, 1279252, 1599065, 1968080, 2558504, 3198130, 5117008, 6396260, 12792520, 25585040]

約数ペア:

[(1, 25585040), (2, 12792520), (4, 6396260), (5, 5117008), (8, 3198130), (10, 2558504), (13, 1968080), (16, 1599065), (20, 1279252), (26, 984040), (40, 639626), (52, 492020), (65, 393616), (73, 350480), (80, 319813), (104, 246010), (130, 196808), (146, 175240), (208, 123005), (260, 98404), (292, 87620), (337, 75920), (365, 70096), (520, 49202), (584, 43810), (674, 37960), (730, 35048), (949, 26960), (1040, 24601), (1168, 21905), (1348, 18980), (1460, 17524), (1685, 15184), (1898, 13480), (2696, 9490), (2920, 8762), (3370, 7592), (3796, 6740), (4381, 5840), (4745, 5392)]