80617288

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 154080000

約数和(自身を除く): 73462712

約数列:

[1, 2, 4, 8, 79, 158, 199, 316, 398, 632, 641, 796, 1282, 1592, 2564, 5128, 15721, 31442, 50639, 62884, 101278, 125768, 127559, 202556, 255118, 405112, 510236, 1020472, 10077161, 20154322, 40308644, 80617288]

約数ペア:

[(1, 80617288), (2, 40308644), (4, 20154322), (8, 10077161), (79, 1020472), (158, 510236), (199, 405112), (316, 255118), (398, 202556), (632, 127559), (641, 125768), (796, 101278), (1282, 62884), (1592, 50639), (2564, 31442), (5128, 15721)]