25456880

素因数分解:

$2^4\times 5^1\times {\mathrm{318211}}^1$

素因数の和:318224

約数の個数: 20

約数和(自身を含む): 59187432

約数和(自身を除く): 33730552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318211, 636422, 1272844, 1591055, 2545688, 3182110, 5091376, 6364220, 12728440, 25456880]

約数ペア:

[(1, 25456880), (2, 12728440), (4, 6364220), (5, 5091376), (8, 3182110), (10, 2545688), (16, 1591055), (20, 1272844), (40, 636422), (80, 318211)]