25990420

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1381}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 54677448

約数和(自身を除く): 28687028

約数列:

[1, 2, 4, 5, 10, 20, 941, 1381, 1882, 2762, 3764, 4705, 5524, 6905, 9410, 13810, 18820, 27620, 1299521, 2599042, 5198084, 6497605, 12995210, 25990420]

約数ペア:

[(1, 25990420), (2, 12995210), (4, 6497605), (5, 5198084), (10, 2599042), (20, 1299521), (941, 27620), (1381, 18820), (1882, 13810), (2762, 9410), (3764, 6905), (4705, 5524)]