25870480

素因数分解:

$2^4\times 5^1\times {\mathrm{323381}}^1$

素因数の和:323394

約数の個数: 20

約数和(自身を含む): 60149052

約数和(自身を除く): 34278572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 323381, 646762, 1293524, 1616905, 2587048, 3233810, 5174096, 6467620, 12935240, 25870480]

約数ペア:

[(1, 25870480), (2, 12935240), (4, 6467620), (5, 5174096), (8, 3233810), (10, 2587048), (16, 1616905), (20, 1293524), (40, 646762), (80, 323381)]