25706512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1693}}^1$

素因数の和:1787

約数の個数: 40

約数和(自身を含む): 54404504

約数和(自身を除く): 28697992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1693, 1898, 3386, 3796, 6772, 7592, 13544, 15184, 22009, 27088, 44018, 88036, 123589, 176072, 247178, 352144, 494356, 988712, 1606657, 1977424, 3213314, 6426628, 12853256, 25706512]

約数ペア:

[(1, 25706512), (2, 12853256), (4, 6426628), (8, 3213314), (13, 1977424), (16, 1606657), (26, 988712), (52, 494356), (73, 352144), (104, 247178), (146, 176072), (208, 123589), (292, 88036), (584, 44018), (949, 27088), (1168, 22009), (1693, 15184), (1898, 13544), (3386, 7592), (3796, 6772)]