25757320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8821}}^1$

素因数の和:8905

約数の個数: 32

約数和(自身を含む): 58754520

約数和(自身を除く): 32997200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 8821, 17642, 35284, 44105, 70568, 88210, 176420, 352840, 643933, 1287866, 2575732, 3219665, 5151464, 6439330, 12878660, 25757320]

約数ペア:

[(1, 25757320), (2, 12878660), (4, 6439330), (5, 5151464), (8, 3219665), (10, 2575732), (20, 1287866), (40, 643933), (73, 352840), (146, 176420), (292, 88210), (365, 70568), (584, 44105), (730, 35284), (1460, 17642), (2920, 8821)]