27392720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7963}}^1$

素因数の和:8019

約数の個数: 40

約数和(自身を含む): 65177376

約数和(自身を除く): 37784656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7963, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 318520, 342409, 637040, 684818, 1369636, 1712045, 2739272, 3424090, 5478544, 6848180, 13696360, 27392720]

約数ペア:

[(1, 27392720), (2, 13696360), (4, 6848180), (5, 5478544), (8, 3424090), (10, 2739272), (16, 1712045), (20, 1369636), (40, 684818), (43, 637040), (80, 342409), (86, 318520), (172, 159260), (215, 127408), (344, 79630), (430, 63704), (688, 39815), (860, 31852), (1720, 15926), (3440, 7963)]