163865920

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7643}}^1$

素因数の和:7727

約数の個数: 56

約数和(自身を含む): 396081504

約数和(自身を除く): 232215584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 4288, 5360, 7643, 10720, 15286, 21440, 30572, 38215, 61144, 76430, 122288, 152860, 244576, 305720, 489152, 512081, 611440, 1024162, 1222880, 2048324, 2445760, 2560405, 4096648, 5120810, 8193296, 10241620, 16386592, 20483240, 32773184, 40966480, 81932960, 163865920]

約数ペア:

[(1, 163865920), (2, 81932960), (4, 40966480), (5, 32773184), (8, 20483240), (10, 16386592), (16, 10241620), (20, 8193296), (32, 5120810), (40, 4096648), (64, 2560405), (67, 2445760), (80, 2048324), (134, 1222880), (160, 1024162), (268, 611440), (320, 512081), (335, 489152), (536, 305720), (670, 244576), (1072, 152860), (1340, 122288), (2144, 76430), (2680, 61144), (4288, 38215), (5360, 30572), (7643, 21440), (10720, 15286)]