38440280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22349}}^1$

素因数の和:22403

約数の個数: 32

約数和(自身を含む): 88506000

約数和(自身を除く): 50065720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22349, 44698, 89396, 111745, 178792, 223490, 446980, 893960, 961007, 1922014, 3844028, 4805035, 7688056, 9610070, 19220140, 38440280]

約数ペア:

[(1, 38440280), (2, 19220140), (4, 9610070), (5, 7688056), (8, 4805035), (10, 3844028), (20, 1922014), (40, 961007), (43, 893960), (86, 446980), (172, 223490), (215, 178792), (344, 111745), (430, 89396), (860, 44698), (1720, 22349)]