8384720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 19644576

約数和(自身を除く): 11259856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 643, 652, 815, 1286, 1304, 1630, 2572, 2608, 3215, 3260, 5144, 6430, 6520, 10288, 12860, 13040, 25720, 51440, 104809, 209618, 419236, 524045, 838472, 1048090, 1676944, 2096180, 4192360, 8384720]

約数ペア:

[(1, 8384720), (2, 4192360), (4, 2096180), (5, 1676944), (8, 1048090), (10, 838472), (16, 524045), (20, 419236), (40, 209618), (80, 104809), (163, 51440), (326, 25720), (643, 13040), (652, 12860), (815, 10288), (1286, 6520), (1304, 6430), (1630, 5144), (2572, 3260), (2608, 3215)]