25986896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 54803784

約数和(自身を除く): 28816888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1237, 1313, 1616, 2474, 2626, 4948, 5252, 9896, 10504, 16081, 19792, 21008, 32162, 64324, 124937, 128648, 249874, 257296, 499748, 999496, 1624181, 1998992, 3248362, 6496724, 12993448, 25986896]

約数ペア:

[(1, 25986896), (2, 12993448), (4, 6496724), (8, 3248362), (13, 1998992), (16, 1624181), (26, 999496), (52, 499748), (101, 257296), (104, 249874), (202, 128648), (208, 124937), (404, 64324), (808, 32162), (1237, 21008), (1313, 19792), (1616, 16081), (2474, 10504), (2626, 9896), (4948, 5252)]