51831040

素因数分解:

$2^8\times 5^1\times {\mathrm{40493}}^1$

素因数の和:40514

約数の個数: 36

約数和(自身を含む): 124154604

約数和(自身を除く): 72323564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 40493, 80986, 161972, 202465, 323944, 404930, 647888, 809860, 1295776, 1619720, 2591552, 3239440, 5183104, 6478880, 10366208, 12957760, 25915520, 51831040]

約数ペア:

[(1, 51831040), (2, 25915520), (4, 12957760), (5, 10366208), (8, 6478880), (10, 5183104), (16, 3239440), (20, 2591552), (32, 1619720), (40, 1295776), (64, 809860), (80, 647888), (128, 404930), (160, 323944), (256, 202465), (320, 161972), (640, 80986), (1280, 40493)]