25915520

素因数分解:

$2^7\times 5^1\times {\mathrm{40493}}^1$

素因数の和:40512

約数の個数: 32

約数和(自身を含む): 61955820

約数和(自身を除く): 36040300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40493, 80986, 161972, 202465, 323944, 404930, 647888, 809860, 1295776, 1619720, 2591552, 3239440, 5183104, 6478880, 12957760, 25915520]

約数ペア:

[(1, 25915520), (2, 12957760), (4, 6478880), (5, 5183104), (8, 3239440), (10, 2591552), (16, 1619720), (20, 1295776), (32, 809860), (40, 647888), (64, 404930), (80, 323944), (128, 202465), (160, 161972), (320, 80986), (640, 40493)]