81585232

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 91975088

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 53, 89, 92, 94, 106, 178, 184, 188, 212, 356, 368, 376, 424, 712, 752, 848, 1081, 1219, 1424, 2047, 2162, 2438, 2491, 4094, 4183, 4324, 4717, 4876, 4982, 8188, 8366, 8648, 9434, 9752, 9964, 16376, 16732, 17296, 18868, 19504, 19928, 32752, 33464, 37736, 39856, 57293, 66928, 75472, 96209, 108491, 114586, 192418, 216982, 221699, 229172, 384836, 433964, 443398, 458344, 769672, 867928, 886796, 916688, 1539344, 1735856, 1773592, 3547184, 5099077, 10198154, 20396308, 40792616, 81585232]

約数ペア:

[(1, 81585232), (2, 40792616), (4, 20396308), (8, 10198154), (16, 5099077), (23, 3547184), (46, 1773592), (47, 1735856), (53, 1539344), (89, 916688), (92, 886796), (94, 867928), (106, 769672), (178, 458344), (184, 443398), (188, 433964), (212, 384836), (356, 229172), (368, 221699), (376, 216982), (424, 192418), (712, 114586), (752, 108491), (848, 96209), (1081, 75472), (1219, 66928), (1424, 57293), (2047, 39856), (2162, 37736), (2438, 33464), (2491, 32752), (4094, 19928), (4183, 19504), (4324, 18868), (4717, 17296), (4876, 16732), (4982, 16376), (8188, 9964), (8366, 9752), (8648, 9434)]