25558960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45641}}^1$

素因数の和:45661

約数の個数: 40

約数和(自身を含む): 67915296

約数和(自身を除く): 42356336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45641, 91282, 182564, 228205, 319487, 365128, 456410, 638974, 730256, 912820, 1277948, 1597435, 1825640, 2555896, 3194870, 3651280, 5111792, 6389740, 12779480, 25558960]

約数ペア:

[(1, 25558960), (2, 12779480), (4, 6389740), (5, 5111792), (7, 3651280), (8, 3194870), (10, 2555896), (14, 1825640), (16, 1597435), (20, 1277948), (28, 912820), (35, 730256), (40, 638974), (56, 456410), (70, 365128), (80, 319487), (112, 228205), (140, 182564), (280, 91282), (560, 45641)]