25235728

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1775

約数の個数: 40

約数和(自身を含む): 56315840

約数和(自身を除く): 31080112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1621, 1946, 2224, 3242, 3892, 6484, 7784, 11347, 12968, 15568, 22694, 25936, 45388, 90776, 181552, 225319, 450638, 901276, 1577233, 1802552, 3154466, 3605104, 6308932, 12617864, 25235728]

約数ペア:

[(1, 25235728), (2, 12617864), (4, 6308932), (7, 3605104), (8, 3154466), (14, 1802552), (16, 1577233), (28, 901276), (56, 450638), (112, 225319), (139, 181552), (278, 90776), (556, 45388), (973, 25936), (1112, 22694), (1621, 15568), (1946, 12968), (2224, 11347), (3242, 7784), (3892, 6484)]