166194640

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7393}}^1$

素因数の和:7687

約数の個数: 40

約数和(自身を含む): 387830088

約数和(自身を除く): 221635448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 7393, 11240, 14786, 22480, 29572, 36965, 59144, 73930, 118288, 147860, 295720, 591440, 2077433, 4154866, 8309732, 10387165, 16619464, 20774330, 33238928, 41548660, 83097320, 166194640]

約数ペア:

[(1, 166194640), (2, 83097320), (4, 41548660), (5, 33238928), (8, 20774330), (10, 16619464), (16, 10387165), (20, 8309732), (40, 4154866), (80, 2077433), (281, 591440), (562, 295720), (1124, 147860), (1405, 118288), (2248, 73930), (2810, 59144), (4496, 36965), (5620, 29572), (7393, 22480), (11240, 14786)]