38688080

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1721}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 90322344

約数和(自身を除く): 51634264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 1721, 2248, 2810, 3442, 4496, 5620, 6884, 8605, 11240, 13768, 17210, 22480, 27536, 34420, 68840, 137680, 483601, 967202, 1934404, 2418005, 3868808, 4836010, 7737616, 9672020, 19344040, 38688080]

約数ペア:

[(1, 38688080), (2, 19344040), (4, 9672020), (5, 7737616), (8, 4836010), (10, 3868808), (16, 2418005), (20, 1934404), (40, 967202), (80, 483601), (281, 137680), (562, 68840), (1124, 34420), (1405, 27536), (1721, 22480), (2248, 17210), (2810, 13768), (3442, 11240), (4496, 8605), (5620, 6884)]