165054640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47981}}^1$

素因数の和:48037

約数の個数: 40

約数和(自身を含む): 392684688

約数和(自身を除く): 227630048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 47981, 95962, 191924, 239905, 383848, 479810, 767696, 959620, 1919240, 2063183, 3838480, 4126366, 8252732, 10315915, 16505464, 20631830, 33010928, 41263660, 82527320, 165054640]

約数ペア:

[(1, 165054640), (2, 82527320), (4, 41263660), (5, 33010928), (8, 20631830), (10, 16505464), (16, 10315915), (20, 8252732), (40, 4126366), (43, 3838480), (80, 2063183), (86, 1919240), (172, 959620), (215, 767696), (344, 479810), (430, 383848), (688, 239905), (860, 191924), (1720, 95962), (3440, 47981)]