25730960

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1777}}^1$

素因数の和:1971

約数の個数: 40

約数和(自身を含む): 60188856

約数和(自身を除く): 34457896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1777, 1810, 2896, 3554, 3620, 7108, 7240, 8885, 14216, 14480, 17770, 28432, 35540, 71080, 142160, 321637, 643274, 1286548, 1608185, 2573096, 3216370, 5146192, 6432740, 12865480, 25730960]

約数ペア:

[(1, 25730960), (2, 12865480), (4, 6432740), (5, 5146192), (8, 3216370), (10, 2573096), (16, 1608185), (20, 1286548), (40, 643274), (80, 321637), (181, 142160), (362, 71080), (724, 35540), (905, 28432), (1448, 17770), (1777, 14480), (1810, 14216), (2896, 8885), (3554, 7240), (3620, 7108)]