57557120

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 138801600

約数和(自身を除く): 81244480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 647, 695, 1112, 1294, 1390, 2224, 2588, 2780, 3235, 4448, 5176, 5560, 6470, 8896, 10352, 11120, 12940, 17792, 20704, 22240, 25880, 41408, 44480, 51760, 82816, 88960, 89933, 103520, 179866, 207040, 359732, 414080, 449665, 719464, 899330, 1438928, 1798660, 2877856, 3597320, 5755712, 7194640, 11511424, 14389280, 28778560, 57557120]

約数ペア:

[(1, 57557120), (2, 28778560), (4, 14389280), (5, 11511424), (8, 7194640), (10, 5755712), (16, 3597320), (20, 2877856), (32, 1798660), (40, 1438928), (64, 899330), (80, 719464), (128, 449665), (139, 414080), (160, 359732), (278, 207040), (320, 179866), (556, 103520), (640, 89933), (647, 88960), (695, 82816), (1112, 51760), (1294, 44480), (1390, 41408), (2224, 25880), (2588, 22240), (2780, 20704), (3235, 17792), (4448, 12940), (5176, 11120), (5560, 10352), (6470, 8896)]