40788080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 98993664

約数和(自身を除く): 58205584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 167, 172, 215, 284, 334, 344, 355, 430, 568, 668, 688, 710, 835, 860, 1136, 1336, 1420, 1670, 1720, 2672, 2840, 3053, 3340, 3440, 5680, 6106, 6680, 7181, 11857, 12212, 13360, 14362, 15265, 23714, 24424, 28724, 30530, 35905, 47428, 48848, 57448, 59285, 61060, 71810, 94856, 114896, 118570, 122120, 143620, 189712, 237140, 244240, 287240, 474280, 509851, 574480, 948560, 1019702, 2039404, 2549255, 4078808, 5098510, 8157616, 10197020, 20394040, 40788080]

約数ペア:

[(1, 40788080), (2, 20394040), (4, 10197020), (5, 8157616), (8, 5098510), (10, 4078808), (16, 2549255), (20, 2039404), (40, 1019702), (43, 948560), (71, 574480), (80, 509851), (86, 474280), (142, 287240), (167, 244240), (172, 237140), (215, 189712), (284, 143620), (334, 122120), (344, 118570), (355, 114896), (430, 94856), (568, 71810), (668, 61060), (688, 59285), (710, 57448), (835, 48848), (860, 47428), (1136, 35905), (1336, 30530), (1420, 28724), (1670, 24424), (1720, 23714), (2672, 15265), (2840, 14362), (3053, 13360), (3340, 12212), (3440, 11857), (5680, 7181), (6106, 6680)]